Home / 2,719,842.30-4,080,767.85-1,122,543.90

Finding the Fourth Proportional to 2,719,842.30, 4,080,767.85 and 1,122,543.90

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Solution

The fourth proportional to 2,719,842.30, 4,080,767.85 and 1,122,543.90 is: 1,684,230.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719,842.30 : 4,080,767.85 = 1,122,543.90 : x
  2. Step 2: Convert to fraction form
    2,719,842.30/4,080,767.85 = 1,122,543.90/x
  3. Step 3: Cross multiply
    2,719,842.30x = 4,080,767.85 × 1,122,543.90
  4. Step 4: Simplify right side
    2,719,842.30x = 4,580,841,057,333.61
  5. Step 5: Solve for x
    x = 4,580,841,057,333.61/2,719,842.30
  6. Step 6: Final answer
    x = 1,684,230.39

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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.