Home / 2,220,246.93-3,063,769.74-1,253,472.78

Finding the Fourth Proportional to 2,220,246.93, 3,063,769.74 and 1,253,472.78

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Solution

The fourth proportional to 2,220,246.93, 3,063,769.74 and 1,253,472.78 is: 1,729,695.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220,246.93 : 3,063,769.74 = 1,253,472.78 : x
  2. Step 2: Convert to fraction form
    2,220,246.93/3,063,769.74 = 1,253,472.78/x
  3. Step 3: Cross multiply
    2,220,246.93x = 3,063,769.74 × 1,253,472.78
  4. Step 4: Simplify right side
    2,220,246.93x = 3,840,351,973,277.68
  5. Step 5: Solve for x
    x = 3,840,351,973,277.68/2,220,246.93
  6. Step 6: Final answer
    x = 1,729,695.88

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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.