Home / 3,172,044.48-4,377,425.70-1,721,740.20

Finding the Fourth Proportional to 3,172,044.48, 4,377,425.70 and 1,721,740.20

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Solution

The fourth proportional to 3,172,044.48, 4,377,425.70 and 1,721,740.20 is: 2,376,003.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,044.48 : 4,377,425.70 = 1,721,740.20 : x
  2. Step 2: Convert to fraction form
    3,172,044.48/4,377,425.70 = 1,721,740.20/x
  3. Step 3: Cross multiply
    3,172,044.48x = 4,377,425.70 × 1,721,740.20
  4. Step 4: Simplify right side
    3,172,044.48x = 7,536,789,800,203.14
  5. Step 5: Solve for x
    x = 7,536,789,800,203.14/3,172,044.48
  6. Step 6: Final answer
    x = 2,376,003.82

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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.