Home / 2,278,212.96-3,417,809.76-680,905.92

Finding the Fourth Proportional to 2,278,212.96, 3,417,809.76 and 680,905.92

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Solution

The fourth proportional to 2,278,212.96, 3,417,809.76 and 680,905.92 is: 1,021,505.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,212.96 : 3,417,809.76 = 680,905.92 : x
  2. Step 2: Convert to fraction form
    2,278,212.96/3,417,809.76 = 680,905.92/x
  3. Step 3: Cross multiply
    2,278,212.96x = 3,417,809.76 × 680,905.92
  4. Step 4: Simplify right side
    2,278,212.96x = 2,327,206,899,017.78
  5. Step 5: Solve for x
    x = 2,327,206,899,017.78/2,278,212.96
  6. Step 6: Final answer
    x = 1,021,505.43

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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.