Home / 5,155,158.18-7,735,930.50-2,997,198.78

Finding the Fourth Proportional to 5,155,158.18, 7,735,930.50 and 2,997,198.78

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Solution

The fourth proportional to 5,155,158.18, 7,735,930.50 and 2,997,198.78 is: 4,497,654.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155,158.18 : 7,735,930.50 = 2,997,198.78 : x
  2. Step 2: Convert to fraction form
    5,155,158.18/7,735,930.50 = 2,997,198.78/x
  3. Step 3: Cross multiply
    5,155,158.18x = 7,735,930.50 × 2,997,198.78
  4. Step 4: Simplify right side
    5,155,158.18x = 23,186,121,456,764.79
  5. Step 5: Solve for x
    x = 23,186,121,456,764.79/5,155,158.18
  6. Step 6: Final answer
    x = 4,497,654.71

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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.