Home / 5,103,456.75-7,042,687.74-2,780,377.02

Finding the Fourth Proportional to 5,103,456.75, 7,042,687.74 and 2,780,377.02

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Solution

The fourth proportional to 5,103,456.75, 7,042,687.74 and 2,780,377.02 is: 3,836,875.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103,456.75 : 7,042,687.74 = 2,780,377.02 : x
  2. Step 2: Convert to fraction form
    5,103,456.75/7,042,687.74 = 2,780,377.02/x
  3. Step 3: Cross multiply
    5,103,456.75x = 7,042,687.74 × 2,780,377.02
  4. Step 4: Simplify right side
    5,103,456.75x = 19,581,327,151,331.73
  5. Step 5: Solve for x
    x = 19,581,327,151,331.73/5,103,456.75
  6. Step 6: Final answer
    x = 3,836,875.30

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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.