Home / 2,187,008.30-3,280,512.45-767,207.90

Finding the Fourth Proportional to 2,187,008.30, 3,280,512.45 and 767,207.90

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Solution

The fourth proportional to 2,187,008.30, 3,280,512.45 and 767,207.90 is: 1,150,811.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,008.30 : 3,280,512.45 = 767,207.90 : x
  2. Step 2: Convert to fraction form
    2,187,008.30/3,280,512.45 = 767,207.90/x
  3. Step 3: Cross multiply
    2,187,008.30x = 3,280,512.45 × 767,207.90
  4. Step 4: Simplify right side
    2,187,008.30x = 2,516,835,067,688.36
  5. Step 5: Solve for x
    x = 2,516,835,067,688.36/2,187,008.30
  6. Step 6: Final answer
    x = 1,150,811.85

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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.