Home / 7,279,584.31-10,919,380.11-2,487,320.56

Finding the Fourth Proportional to 7,279,584.31, 10,919,380.11 and 2,487,320.56

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Solution

The fourth proportional to 7,279,584.31, 10,919,380.11 and 2,487,320.56 is: 3,730,982.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279,584.31 : 10,919,380.11 = 2,487,320.56 : x
  2. Step 2: Convert to fraction form
    7,279,584.31/10,919,380.11 = 2,487,320.56/x
  3. Step 3: Cross multiply
    7,279,584.31x = 10,919,380.11 × 2,487,320.56
  4. Step 4: Simplify right side
    7,279,584.31x = 27,159,998,583,024.56
  5. Step 5: Solve for x
    x = 27,159,998,583,024.56/7,279,584.31
  6. Step 6: Final answer
    x = 3,730,982.08

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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.