Home / 2,181,635.96-3,272,444.97-665,314.43

Finding the Fourth Proportional to 2,181,635.96, 3,272,444.97 and 665,314.43

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Solution

The fourth proportional to 2,181,635.96, 3,272,444.97 and 665,314.43 is: 997,968.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181,635.96 : 3,272,444.97 = 665,314.43 : x
  2. Step 2: Convert to fraction form
    2,181,635.96/3,272,444.97 = 665,314.43/x
  3. Step 3: Cross multiply
    2,181,635.96x = 3,272,444.97 × 665,314.43
  4. Step 4: Simplify right side
    2,181,635.96x = 2,177,204,859,921.92
  5. Step 5: Solve for x
    x = 2,177,204,859,921.92/2,181,635.96
  6. Step 6: Final answer
    x = 997,968.91

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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.