Home / 5,620,531.20-7,754,258.16-3,687,864.72

Finding the Fourth Proportional to 5,620,531.20, 7,754,258.16 and 3,687,864.72

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Solution

The fourth proportional to 5,620,531.20, 7,754,258.16 and 3,687,864.72 is: 5,087,891.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620,531.20 : 7,754,258.16 = 3,687,864.72 : x
  2. Step 2: Convert to fraction form
    5,620,531.20/7,754,258.16 = 3,687,864.72/x
  3. Step 3: Cross multiply
    5,620,531.20x = 7,754,258.16 × 3,687,864.72
  4. Step 4: Simplify right side
    5,620,531.20x = 28,596,655,098,036.12
  5. Step 5: Solve for x
    x = 28,596,655,098,036.12/5,620,531.20
  6. Step 6: Final answer
    x = 5,087,891.89

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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.