Home / 2,766,785.12-3,818,170.24-1,543,169.90

Finding the Fourth Proportional to 2,766,785.12, 3,818,170.24 and 1,543,169.90

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Solution

The fourth proportional to 2,766,785.12, 3,818,170.24 and 1,543,169.90 is: 2,129,578.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766,785.12 : 3,818,170.24 = 1,543,169.90 : x
  2. Step 2: Convert to fraction form
    2,766,785.12/3,818,170.24 = 1,543,169.90/x
  3. Step 3: Cross multiply
    2,766,785.12x = 3,818,170.24 × 1,543,169.90
  4. Step 4: Simplify right side
    2,766,785.12x = 5,892,085,387,443.78
  5. Step 5: Solve for x
    x = 5,892,085,387,443.78/2,766,785.12
  6. Step 6: Final answer
    x = 2,129,578.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.