Home / 5,439,138.20-8,161,331.70-3,838,254.20

Finding the Fourth Proportional to 5,439,138.20, 8,161,331.70 and 3,838,254.20

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Solution

The fourth proportional to 5,439,138.20, 8,161,331.70 and 3,838,254.20 is: 5,759,233.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439,138.20 : 8,161,331.70 = 3,838,254.20 : x
  2. Step 2: Convert to fraction form
    5,439,138.20/8,161,331.70 = 3,838,254.20/x
  3. Step 3: Cross multiply
    5,439,138.20x = 8,161,331.70 × 3,838,254.20
  4. Step 4: Simplify right side
    5,439,138.20x = 31,325,265,675,118.14
  5. Step 5: Solve for x
    x = 31,325,265,675,118.14/5,439,138.20
  6. Step 6: Final answer
    x = 5,759,233.27

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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.