Home / 3,641,965.25-5,026,031-1,988,200.55

Finding the Fourth Proportional to 3,641,965.25, 5,026,031 and 1,988,200.55

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Solution

The fourth proportional to 3,641,965.25, 5,026,031 and 1,988,200.55 is: 2,743,781.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,641,965.25 : 5,026,031 = 1,988,200.55 : x
  2. Step 2: Convert to fraction form
    3,641,965.25/5,026,031 = 1,988,200.55/x
  3. Step 3: Cross multiply
    3,641,965.25x = 5,026,031 × 1,988,200.55
  4. Step 4: Simplify right side
    3,641,965.25x = 9,992,757,598,517.05
  5. Step 5: Solve for x
    x = 9,992,757,598,517.05/3,641,965.25
  6. Step 6: Final answer
    x = 2,743,781.70

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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.