Home / 3,172,010.48-4,377,378.89-1,721,706.21

Finding the Fourth Proportional to 3,172,010.48, 4,377,378.89 and 1,721,706.21

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Solution

The fourth proportional to 3,172,010.48, 4,377,378.89 and 1,721,706.21 is: 2,375,956.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,010.48 : 4,377,378.89 = 1,721,706.21 : x
  2. Step 2: Convert to fraction form
    3,172,010.48/4,377,378.89 = 1,721,706.21/x
  3. Step 3: Cross multiply
    3,172,010.48x = 4,377,378.89 × 1,721,706.21
  4. Step 4: Simplify right side
    3,172,010.48x = 7,536,560,418,435.91
  5. Step 5: Solve for x
    x = 7,536,560,418,435.91/3,172,010.48
  6. Step 6: Final answer
    x = 2,375,956.97

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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.