Home / 3,172,091-4,377,416.30-1,721,789.24

Finding the Fourth Proportional to 3,172,091, 4,377,416.30 and 1,721,789.24

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Solution

The fourth proportional to 3,172,091, 4,377,416.30 and 1,721,789.24 is: 2,376,031.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,091 : 4,377,416.30 = 1,721,789.24 : x
  2. Step 2: Convert to fraction form
    3,172,091/4,377,416.30 = 1,721,789.24/x
  3. Step 3: Cross multiply
    3,172,091x = 4,377,416.30 × 1,721,789.24
  4. Step 4: Simplify right side
    3,172,091x = 7,536,988,284,340.61
  5. Step 5: Solve for x
    x = 7,536,988,284,340.61/3,172,091
  6. Step 6: Final answer
    x = 2,376,031.55

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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.