Home / 2,790,864.21-4,180,691.17-1,272,458.46

Finding the Fourth Proportional to 2,790,864.21, 4,180,691.17 and 1,272,458.46

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Solution

The fourth proportional to 2,790,864.21, 4,180,691.17 and 1,272,458.46 is: 1,906,132.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790,864.21 : 4,180,691.17 = 1,272,458.46 : x
  2. Step 2: Convert to fraction form
    2,790,864.21/4,180,691.17 = 1,272,458.46/x
  3. Step 3: Cross multiply
    2,790,864.21x = 4,180,691.17 × 1,272,458.46
  4. Step 4: Simplify right side
    2,790,864.21x = 5,319,755,865,181.96
  5. Step 5: Solve for x
    x = 5,319,755,865,181.96/2,790,864.21
  6. Step 6: Final answer
    x = 1,906,132.10

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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.