Home / 3,712,090.77-5,123,403.68-2,420,689.14

Finding the Fourth Proportional to 3,712,090.77, 5,123,403.68 and 2,420,689.14

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Solution

The fourth proportional to 3,712,090.77, 5,123,403.68 and 2,420,689.14 is: 3,341,019.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712,090.77 : 5,123,403.68 = 2,420,689.14 : x
  2. Step 2: Convert to fraction form
    3,712,090.77/5,123,403.68 = 2,420,689.14/x
  3. Step 3: Cross multiply
    3,712,090.77x = 5,123,403.68 × 2,420,689.14
  4. Step 4: Simplify right side
    3,712,090.77x = 12,402,167,635,908.59
  5. Step 5: Solve for x
    x = 12,402,167,635,908.59/3,712,090.77
  6. Step 6: Final answer
    x = 3,341,019.50

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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.