Home / 5,429,396.47-8,131,691.28-2,591,501.53

Finding the Fourth Proportional to 5,429,396.47, 8,131,691.28 and 2,591,501.53

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Solution

The fourth proportional to 5,429,396.47, 8,131,691.28 and 2,591,501.53 is: 3,881,332.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,396.47 : 8,131,691.28 = 2,591,501.53 : x
  2. Step 2: Convert to fraction form
    5,429,396.47/8,131,691.28 = 2,591,501.53/x
  3. Step 3: Cross multiply
    5,429,396.47x = 8,131,691.28 × 2,591,501.53
  4. Step 4: Simplify right side
    5,429,396.47x = 21,073,290,393,607.66
  5. Step 5: Solve for x
    x = 21,073,290,393,607.66/5,429,396.47
  6. Step 6: Final answer
    x = 3,881,332.02

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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.