Home / 5,151,557.10-7,727,503.55-2,591,376.74

Finding the Fourth Proportional to 5,151,557.10, 7,727,503.55 and 2,591,376.74

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Solution

The fourth proportional to 5,151,557.10, 7,727,503.55 and 2,591,376.74 is: 3,887,149.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151,557.10 : 7,727,503.55 = 2,591,376.74 : x
  2. Step 2: Convert to fraction form
    5,151,557.10/7,727,503.55 = 2,591,376.74/x
  3. Step 3: Cross multiply
    5,151,557.10x = 7,727,503.55 × 2,591,376.74
  4. Step 4: Simplify right side
    5,151,557.10x = 20,024,872,906,143.02
  5. Step 5: Solve for x
    x = 20,024,872,906,143.02/5,151,557.10
  6. Step 6: Final answer
    x = 3,887,149.56

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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.