Home / 3,172,137.59-4,377,553.27-1,721,832.80

Finding the Fourth Proportional to 3,172,137.59, 4,377,553.27 and 1,721,832.80

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Solution

The fourth proportional to 3,172,137.59, 4,377,553.27 and 1,721,832.80 is: 2,376,131.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,137.59 : 4,377,553.27 = 1,721,832.80 : x
  2. Step 2: Convert to fraction form
    3,172,137.59/4,377,553.27 = 1,721,832.80/x
  3. Step 3: Cross multiply
    3,172,137.59x = 4,377,553.27 × 1,721,832.80
  4. Step 4: Simplify right side
    3,172,137.59x = 7,537,414,777,840.91
  5. Step 5: Solve for x
    x = 7,537,414,777,840.91/3,172,137.59
  6. Step 6: Final answer
    x = 2,376,131.10

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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.