Home / 5,421,489.12-8,132,220.72-2,992,525.92

Finding the Fourth Proportional to 5,421,489.12, 8,132,220.72 and 2,992,525.92

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Solution

The fourth proportional to 5,421,489.12, 8,132,220.72 and 2,992,525.92 is: 4,488,781.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421,489.12 : 8,132,220.72 = 2,992,525.92 : x
  2. Step 2: Convert to fraction form
    5,421,489.12/8,132,220.72 = 2,992,525.92/x
  3. Step 3: Cross multiply
    5,421,489.12x = 8,132,220.72 × 2,992,525.92
  4. Step 4: Simplify right side
    5,421,489.12x = 24,335,881,291,761.06
  5. Step 5: Solve for x
    x = 24,335,881,291,761.06/5,421,489.12
  6. Step 6: Final answer
    x = 4,488,781.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.