Home / 5,257,243.20-7,884,970.56-1,469,845.20

Finding the Fourth Proportional to 5,257,243.20, 7,884,970.56 and 1,469,845.20

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Solution

The fourth proportional to 5,257,243.20, 7,884,970.56 and 1,469,845.20 is: 2,204,517.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257,243.20 : 7,884,970.56 = 1,469,845.20 : x
  2. Step 2: Convert to fraction form
    5,257,243.20/7,884,970.56 = 1,469,845.20/x
  3. Step 3: Cross multiply
    5,257,243.20x = 7,884,970.56 × 1,469,845.20
  4. Step 4: Simplify right side
    5,257,243.20x = 11,589,686,129,757.31
  5. Step 5: Solve for x
    x = 11,589,686,129,757.31/5,257,243.20
  6. Step 6: Final answer
    x = 2,204,517.78

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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.