Home / 7,279,585.31-10,919,381.60-2,487,321.56

Finding the Fourth Proportional to 7,279,585.31, 10,919,381.60 and 2,487,321.56

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Solution

The fourth proportional to 7,279,585.31, 10,919,381.60 and 2,487,321.56 is: 3,730,983.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279,585.31 : 10,919,381.60 = 2,487,321.56 : x
  2. Step 2: Convert to fraction form
    7,279,585.31/10,919,381.60 = 2,487,321.56/x
  3. Step 3: Cross multiply
    7,279,585.31x = 10,919,381.60 × 2,487,321.56
  4. Step 4: Simplify right side
    7,279,585.31x = 27,160,013,227,168.69
  5. Step 5: Solve for x
    x = 27,160,013,227,168.69/7,279,585.31
  6. Step 6: Final answer
    x = 3,730,983.58

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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.