Home / 5,154,563.88-7,128,711.45-4,508,861.85

Finding the Fourth Proportional to 5,154,563.88, 7,128,711.45 and 4,508,861.85

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Solution

The fourth proportional to 5,154,563.88, 7,128,711.45 and 4,508,861.85 is: 6,235,711.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154,563.88 : 7,128,711.45 = 4,508,861.85 : x
  2. Step 2: Convert to fraction form
    5,154,563.88/7,128,711.45 = 4,508,861.85/x
  3. Step 3: Cross multiply
    5,154,563.88x = 7,128,711.45 × 4,508,861.85
  4. Step 4: Simplify right side
    5,154,563.88x = 32,142,375,096,563.18
  5. Step 5: Solve for x
    x = 32,142,375,096,563.18/5,154,563.88
  6. Step 6: Final answer
    x = 6,235,711.86

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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.