Home / 5,516,662.20-8,279,658.90-2,488,687.80

Finding the Fourth Proportional to 5,516,662.20, 8,279,658.90 and 2,488,687.80

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Solution

The fourth proportional to 5,516,662.20, 8,279,658.90 and 2,488,687.80 is: 3,735,136.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516,662.20 : 8,279,658.90 = 2,488,687.80 : x
  2. Step 2: Convert to fraction form
    5,516,662.20/8,279,658.90 = 2,488,687.80/x
  3. Step 3: Cross multiply
    5,516,662.20x = 8,279,658.90 × 2,488,687.80
  4. Step 4: Simplify right side
    5,516,662.20x = 20,605,486,092,591.42
  5. Step 5: Solve for x
    x = 20,605,486,092,591.42/5,516,662.20
  6. Step 6: Final answer
    x = 3,735,136.45

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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.