Step 1: Write the ratio of the powers.
We are asked to find the ratio of \( \left( \frac{1}{3} \right)^2 \) to \( \left( \frac{1}{3} \right)^4 \). We can write the ratio as:
\[
\frac{\left( \frac{1}{3} \right)^2}{\left( \frac{1}{3} \right)^4} = \left( \frac{1}{3} \right)^{2 - 4} = \left( \frac{1}{3} \right)^{-2}.
\]
Step 2: Simplify the expression.
We know that \( \left( \frac{1}{3} \right)^{-2} = 3^2 = 9 \). Hence, the ratio is:
\[
9.
\]
Step 3: Conclusion.
The correct answer is (E) 1:27.