Home / 5,420,923.20-8,128,414.44-2,499,845.04

Finding the Fourth Proportional to 5,420,923.20, 8,128,414.44 and 2,499,845.04

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Solution

The fourth proportional to 5,420,923.20, 8,128,414.44 and 2,499,845.04 is: 3,748,397.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420,923.20 : 8,128,414.44 = 2,499,845.04 : x
  2. Step 2: Convert to fraction form
    5,420,923.20/8,128,414.44 = 2,499,845.04/x
  3. Step 3: Cross multiply
    5,420,923.20x = 8,128,414.44 × 2,499,845.04
  4. Step 4: Simplify right side
    5,420,923.20x = 20,319,776,520,898.38
  5. Step 5: Solve for x
    x = 20,319,776,520,898.38/5,420,923.20
  6. Step 6: Final answer
    x = 3,748,397.79

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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.