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Finding the Fourth Proportional to 3,868,898.36, 5,797,847.97 and 2,850,007.86

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Solution

The fourth proportional to 3,868,898.36, 5,797,847.97 and 2,850,007.86 is: 4,270,960.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868,898.36 : 5,797,847.97 = 2,850,007.86 : x
  2. Step 2: Convert to fraction form
    3,868,898.36/5,797,847.97 = 2,850,007.86/x
  3. Step 3: Cross multiply
    3,868,898.36x = 5,797,847.97 × 2,850,007.86
  4. Step 4: Simplify right side
    3,868,898.36x = 16,523,912,285,585.04
  5. Step 5: Solve for x
    x = 16,523,912,285,585.04/3,868,898.36
  6. Step 6: Final answer
    x = 4,270,960.56

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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.