Home / 3,853,858.10-5,318,650.77-2,135,517.62

Finding the Fourth Proportional to 3,853,858.10, 5,318,650.77 and 2,135,517.62

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Solution

The fourth proportional to 3,853,858.10, 5,318,650.77 and 2,135,517.62 is: 2,947,195.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853,858.10 : 5,318,650.77 = 2,135,517.62 : x
  2. Step 2: Convert to fraction form
    3,853,858.10/5,318,650.77 = 2,135,517.62/x
  3. Step 3: Cross multiply
    3,853,858.10x = 5,318,650.77 × 2,135,517.62
  4. Step 4: Simplify right side
    3,853,858.10x = 11,358,072,433,961.57
  5. Step 5: Solve for x
    x = 11,358,072,433,961.57/3,853,858.10
  6. Step 6: Final answer
    x = 2,947,195.29

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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.