Home / 5,420,655.50-8,120,142.56-3,260,487.90

Finding the Fourth Proportional to 5,420,655.50, 8,120,142.56 and 3,260,487.90

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Solution

The fourth proportional to 5,420,655.50, 8,120,142.56 and 3,260,487.90 is: 4,884,211.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420,655.50 : 8,120,142.56 = 3,260,487.90 : x
  2. Step 2: Convert to fraction form
    5,420,655.50/8,120,142.56 = 3,260,487.90/x
  3. Step 3: Cross multiply
    5,420,655.50x = 8,120,142.56 × 3,260,487.90
  4. Step 4: Simplify right side
    5,420,655.50x = 26,475,626,563,155.02
  5. Step 5: Solve for x
    x = 26,475,626,563,155.02/5,420,655.50
  6. Step 6: Final answer
    x = 4,884,211.25

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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.