Home / 3,648,753.78-5,034,444.85-2,178,376.16

Finding the Fourth Proportional to 3,648,753.78, 5,034,444.85 and 2,178,376.16

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Solution

The fourth proportional to 3,648,753.78, 5,034,444.85 and 2,178,376.16 is: 3,005,660.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648,753.78 : 5,034,444.85 = 2,178,376.16 : x
  2. Step 2: Convert to fraction form
    3,648,753.78/5,034,444.85 = 2,178,376.16/x
  3. Step 3: Cross multiply
    3,648,753.78x = 5,034,444.85 × 2,178,376.16
  4. Step 4: Simplify right side
    3,648,753.78x = 10,966,914,609,456.61
  5. Step 5: Solve for x
    x = 10,966,914,609,456.61/3,648,753.78
  6. Step 6: Final answer
    x = 3,005,660.36

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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.