Home / 5,156,799.20-7,735,198.80-3,977,151.20

Finding the Fourth Proportional to 5,156,799.20, 7,735,198.80 and 3,977,151.20

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Solution

The fourth proportional to 5,156,799.20, 7,735,198.80 and 3,977,151.20 is: 5,965,726.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,156,799.20 : 7,735,198.80 = 3,977,151.20 : x
  2. Step 2: Convert to fraction form
    5,156,799.20/7,735,198.80 = 3,977,151.20/x
  3. Step 3: Cross multiply
    5,156,799.20x = 7,735,198.80 × 3,977,151.20
  4. Step 4: Simplify right side
    5,156,799.20x = 30,764,055,189,658.56
  5. Step 5: Solve for x
    x = 30,764,055,189,658.56/5,156,799.20
  6. Step 6: Final answer
    x = 5,965,726.80

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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.