Home / 5,198,375.49-7,171,561.53-3,480,049.59

Finding the Fourth Proportional to 5,198,375.49, 7,171,561.53 and 3,480,049.59

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Solution

The fourth proportional to 5,198,375.49, 7,171,561.53 and 3,480,049.59 is: 4,800,997.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198,375.49 : 7,171,561.53 = 3,480,049.59 : x
  2. Step 2: Convert to fraction form
    5,198,375.49/7,171,561.53 = 3,480,049.59/x
  3. Step 3: Cross multiply
    5,198,375.49x = 7,171,561.53 × 3,480,049.59
  4. Step 4: Simplify right side
    5,198,375.49x = 24,957,389,735,242.92
  5. Step 5: Solve for x
    x = 24,957,389,735,242.92/5,198,375.49
  6. Step 6: Final answer
    x = 4,800,997.89

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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.