Home / 5,314,138.62-7,972,472.79-1,719,905.58

Finding the Fourth Proportional to 5,314,138.62, 7,972,472.79 and 1,719,905.58

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Solution

The fourth proportional to 5,314,138.62, 7,972,472.79 and 1,719,905.58 is: 2,580,267.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,314,138.62 : 7,972,472.79 = 1,719,905.58 : x
  2. Step 2: Convert to fraction form
    5,314,138.62/7,972,472.79 = 1,719,905.58/x
  3. Step 3: Cross multiply
    5,314,138.62x = 7,972,472.79 × 1,719,905.58
  4. Step 4: Simplify right side
    5,314,138.62x = 13,711,900,437,919.17
  5. Step 5: Solve for x
    x = 13,711,900,437,919.17/5,314,138.62
  6. Step 6: Final answer
    x = 2,580,267.74

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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.