Home / 3,787,522.40-5,695,280.40-3,171,663.20

Finding the Fourth Proportional to 3,787,522.40, 5,695,280.40 and 3,171,663.20

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Solution

The fourth proportional to 3,787,522.40, 5,695,280.40 and 3,171,663.20 is: 4,769,215.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787,522.40 : 5,695,280.40 = 3,171,663.20 : x
  2. Step 2: Convert to fraction form
    3,787,522.40/5,695,280.40 = 3,171,663.20/x
  3. Step 3: Cross multiply
    3,787,522.40x = 5,695,280.40 × 3,171,663.20
  4. Step 4: Simplify right side
    3,787,522.40x = 18,063,511,258,361.28
  5. Step 5: Solve for x
    x = 18,063,511,258,361.28/3,787,522.40
  6. Step 6: Final answer
    x = 4,769,215.69

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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.