Home / 2,685,120.57-4,027,691.79-1,087,713.90

Finding the Fourth Proportional to 2,685,120.57, 4,027,691.79 and 1,087,713.90

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Solution

The fourth proportional to 2,685,120.57, 4,027,691.79 and 1,087,713.90 is: 1,631,575.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,120.57 : 4,027,691.79 = 1,087,713.90 : x
  2. Step 2: Convert to fraction form
    2,685,120.57/4,027,691.79 = 1,087,713.90/x
  3. Step 3: Cross multiply
    2,685,120.57x = 4,027,691.79 × 1,087,713.90
  4. Step 4: Simplify right side
    2,685,120.57x = 4,380,976,344,898.88
  5. Step 5: Solve for x
    x = 4,380,976,344,898.88/2,685,120.57
  6. Step 6: Final answer
    x = 1,631,575.28

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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.