Home / 6,491,822.40-9,719,071.20-3,972,398.40

Finding the Fourth Proportional to 6,491,822.40, 9,719,071.20 and 3,972,398.40

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Solution

The fourth proportional to 6,491,822.40, 9,719,071.20 and 3,972,398.40 is: 5,947,177.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,491,822.40 : 9,719,071.20 = 3,972,398.40 : x
  2. Step 2: Convert to fraction form
    6,491,822.40/9,719,071.20 = 3,972,398.40/x
  3. Step 3: Cross multiply
    6,491,822.40x = 9,719,071.20 × 3,972,398.40
  4. Step 4: Simplify right side
    6,491,822.40x = 38,608,022,884,366.08
  5. Step 5: Solve for x
    x = 38,608,022,884,366.08/6,491,822.40
  6. Step 6: Final answer
    x = 5,947,177.93

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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.