Home / 3,172,025.52-4,377,398.81-1,721,720.61

Finding the Fourth Proportional to 3,172,025.52, 4,377,398.81 and 1,721,720.61

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Solution

The fourth proportional to 3,172,025.52, 4,377,398.81 and 1,721,720.61 is: 2,375,976.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,025.52 : 4,377,398.81 = 1,721,720.61 : x
  2. Step 2: Convert to fraction form
    3,172,025.52/4,377,398.81 = 1,721,720.61/x
  3. Step 3: Cross multiply
    3,172,025.52x = 4,377,398.81 × 1,721,720.61
  4. Step 4: Simplify right side
    3,172,025.52x = 7,536,657,740,757.87
  5. Step 5: Solve for x
    x = 7,536,657,740,757.87/3,172,025.52
  6. Step 6: Final answer
    x = 2,375,976.39

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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.