Home / 3,931,603.80-5,423,532.25-2,705,781.12

Finding the Fourth Proportional to 3,931,603.80, 5,423,532.25 and 2,705,781.12

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Solution

The fourth proportional to 3,931,603.80, 5,423,532.25 and 2,705,781.12 is: 3,732,545.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,603.80 : 5,423,532.25 = 2,705,781.12 : x
  2. Step 2: Convert to fraction form
    3,931,603.80/5,423,532.25 = 2,705,781.12/x
  3. Step 3: Cross multiply
    3,931,603.80x = 5,423,532.25 × 2,705,781.12
  4. Step 4: Simplify right side
    3,931,603.80x = 14,674,891,165,761.12
  5. Step 5: Solve for x
    x = 14,674,891,165,761.12/3,931,603.80
  6. Step 6: Final answer
    x = 3,732,545.78

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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.