Home / 3,171,913.91-4,377,123.85-1,721,578.25

Finding the Fourth Proportional to 3,171,913.91, 4,377,123.85 and 1,721,578.25

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Solution

The fourth proportional to 3,171,913.91, 4,377,123.85 and 1,721,578.25 is: 2,375,714.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,913.91 : 4,377,123.85 = 1,721,578.25 : x
  2. Step 2: Convert to fraction form
    3,171,913.91/4,377,123.85 = 1,721,578.25/x
  3. Step 3: Cross multiply
    3,171,913.91x = 4,377,123.85 × 1,721,578.25
  4. Step 4: Simplify right side
    3,171,913.91x = 7,535,561,217,716.26
  5. Step 5: Solve for x
    x = 7,535,561,217,716.26/3,171,913.91
  6. Step 6: Final answer
    x = 2,375,714.29

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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.