Home / 2,660,998.80-3,985,593.30-2,188,606.80

Finding the Fourth Proportional to 2,660,998.80, 3,985,593.30 and 2,188,606.80

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Solution

The fourth proportional to 2,660,998.80, 3,985,593.30 and 2,188,606.80 is: 3,278,053.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,998.80 : 3,985,593.30 = 2,188,606.80 : x
  2. Step 2: Convert to fraction form
    2,660,998.80/3,985,593.30 = 2,188,606.80/x
  3. Step 3: Cross multiply
    2,660,998.80x = 3,985,593.30 × 2,188,606.80
  4. Step 4: Simplify right side
    2,660,998.80x = 8,722,896,598,414.44
  5. Step 5: Solve for x
    x = 8,722,896,598,414.44/2,660,998.80
  6. Step 6: Final answer
    x = 3,278,053.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.