Home / 3,832,439.96-5,287,857.86-2,178,456.97

Finding the Fourth Proportional to 3,832,439.96, 5,287,857.86 and 2,178,456.97

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Solution

The fourth proportional to 3,832,439.96, 5,287,857.86 and 2,178,456.97 is: 3,005,753.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,832,439.96 : 5,287,857.86 = 2,178,456.97 : x
  2. Step 2: Convert to fraction form
    3,832,439.96/5,287,857.86 = 2,178,456.97/x
  3. Step 3: Cross multiply
    3,832,439.96x = 5,287,857.86 × 2,178,456.97
  4. Step 4: Simplify right side
    3,832,439.96x = 11,519,370,811,486.29
  5. Step 5: Solve for x
    x = 11,519,370,811,486.29/3,832,439.96
  6. Step 6: Final answer
    x = 3,005,753.76

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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.