Home / 2,080,752.30-3,121,128.45-660,951.90

Finding the Fourth Proportional to 2,080,752.30, 3,121,128.45 and 660,951.90

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Solution

The fourth proportional to 2,080,752.30, 3,121,128.45 and 660,951.90 is: 991,427.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,752.30 : 3,121,128.45 = 660,951.90 : x
  2. Step 2: Convert to fraction form
    2,080,752.30/3,121,128.45 = 660,951.90/x
  3. Step 3: Cross multiply
    2,080,752.30x = 3,121,128.45 × 660,951.90
  4. Step 4: Simplify right side
    2,080,752.30x = 2,062,915,779,171.56
  5. Step 5: Solve for x
    x = 2,062,915,779,171.56/2,080,752.30
  6. Step 6: Final answer
    x = 991,427.85

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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.