Home / 3,781,031.78-5,218,272.24-2,149,685.30

Finding the Fourth Proportional to 3,781,031.78, 5,218,272.24 and 2,149,685.30

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Solution

The fourth proportional to 3,781,031.78, 5,218,272.24 and 2,149,685.30 is: 2,966,820.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781,031.78 : 5,218,272.24 = 2,149,685.30 : x
  2. Step 2: Convert to fraction form
    3,781,031.78/5,218,272.24 = 2,149,685.30/x
  3. Step 3: Cross multiply
    3,781,031.78x = 5,218,272.24 × 2,149,685.30
  4. Step 4: Simplify right side
    3,781,031.78x = 11,217,643,125,726.07
  5. Step 5: Solve for x
    x = 11,217,643,125,726.07/3,781,031.78
  6. Step 6: Final answer
    x = 2,966,820.64

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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.