Home / 5,078,272.20-7,007,781.14-2,786,375.88

Finding the Fourth Proportional to 5,078,272.20, 7,007,781.14 and 2,786,375.88

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Solution

The fourth proportional to 5,078,272.20, 7,007,781.14 and 2,786,375.88 is: 3,845,070.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078,272.20 : 7,007,781.14 = 2,786,375.88 : x
  2. Step 2: Convert to fraction form
    5,078,272.20/7,007,781.14 = 2,786,375.88/x
  3. Step 3: Cross multiply
    5,078,272.20x = 7,007,781.14 × 2,786,375.88
  4. Step 4: Simplify right side
    5,078,272.20x = 19,526,312,340,814.90
  5. Step 5: Solve for x
    x = 19,526,312,340,814.90/5,078,272.20
  6. Step 6: Final answer
    x = 3,845,070.05

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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.