Home / 5,176,229.85-7,143,221.25-2,970,913.73

Finding the Fourth Proportional to 5,176,229.85, 7,143,221.25 and 2,970,913.73

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Solution

The fourth proportional to 5,176,229.85, 7,143,221.25 and 2,970,913.73 is: 4,099,874.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176,229.85 : 7,143,221.25 = 2,970,913.73 : x
  2. Step 2: Convert to fraction form
    5,176,229.85/7,143,221.25 = 2,970,913.73/x
  3. Step 3: Cross multiply
    5,176,229.85x = 7,143,221.25 × 2,970,913.73
  4. Step 4: Simplify right side
    5,176,229.85x = 21,221,894,052,336.66
  5. Step 5: Solve for x
    x = 21,221,894,052,336.66/5,176,229.85
  6. Step 6: Final answer
    x = 4,099,874.75

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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.