Home / 2,387,631.25-3,579,195.48-1,188,419.88

Finding the Fourth Proportional to 2,387,631.25, 3,579,195.48 and 1,188,419.88

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Solution

The fourth proportional to 2,387,631.25, 3,579,195.48 and 1,188,419.88 is: 1,781,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,387,631.25 : 3,579,195.48 = 1,188,419.88 : x
  2. Step 2: Convert to fraction form
    2,387,631.25/3,579,195.48 = 1,188,419.88/x
  3. Step 3: Cross multiply
    2,387,631.25x = 3,579,195.48 × 1,188,419.88
  4. Step 4: Simplify right side
    2,387,631.25x = 4,253,587,044,942.17
  5. Step 5: Solve for x
    x = 4,253,587,044,942.17/2,387,631.25
  6. Step 6: Final answer
    x = 1,781,509.20

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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.