Home / 3,932,418.80-5,425,428.12-3,206,015.12

Finding the Fourth Proportional to 3,932,418.80, 5,425,428.12 and 3,206,015.12

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Solution

The fourth proportional to 3,932,418.80, 5,425,428.12 and 3,206,015.12 is: 4,423,232.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932,418.80 : 5,425,428.12 = 3,206,015.12 : x
  2. Step 2: Convert to fraction form
    3,932,418.80/5,425,428.12 = 3,206,015.12/x
  3. Step 3: Cross multiply
    3,932,418.80x = 5,425,428.12 × 3,206,015.12
  4. Step 4: Simplify right side
    3,932,418.80x = 17,394,004,585,193.18
  5. Step 5: Solve for x
    x = 17,394,004,585,193.18/3,932,418.80
  6. Step 6: Final answer
    x = 4,423,232.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.