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Finding the Fourth Proportional to 3,798,502.87, 5,241,734.89 and 2,079,294.07

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Solution

The fourth proportional to 3,798,502.87, 5,241,734.89 and 2,079,294.07 is: 2,869,316.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,798,502.87 : 5,241,734.89 = 2,079,294.07 : x
  2. Step 2: Convert to fraction form
    3,798,502.87/5,241,734.89 = 2,079,294.07/x
  3. Step 3: Cross multiply
    3,798,502.87x = 5,241,734.89 × 2,079,294.07
  4. Step 4: Simplify right side
    3,798,502.87x = 10,899,108,273,289.10
  5. Step 5: Solve for x
    x = 10,899,108,273,289.10/3,798,502.87
  6. Step 6: Final answer
    x = 2,869,316.85

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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.