Home / 2,656,921.92-3,666,633.12-1,511,167.20

Finding the Fourth Proportional to 2,656,921.92, 3,666,633.12 and 1,511,167.20

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Solution

The fourth proportional to 2,656,921.92, 3,666,633.12 and 1,511,167.20 is: 2,085,456.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656,921.92 : 3,666,633.12 = 1,511,167.20 : x
  2. Step 2: Convert to fraction form
    2,656,921.92/3,666,633.12 = 1,511,167.20/x
  3. Step 3: Cross multiply
    2,656,921.92x = 3,666,633.12 × 1,511,167.20
  4. Step 4: Simplify right side
    2,656,921.92x = 5,540,895,705,377.66
  5. Step 5: Solve for x
    x = 5,540,895,705,377.66/2,656,921.92
  6. Step 6: Final answer
    x = 2,085,456.73

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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.