Home / 3,853,857.60-5,318,650.08-2,135,517.12

Finding the Fourth Proportional to 3,853,857.60, 5,318,650.08 and 2,135,517.12

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Solution

The fourth proportional to 3,853,857.60, 5,318,650.08 and 2,135,517.12 is: 2,947,194.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853,857.60 : 5,318,650.08 = 2,135,517.12 : x
  2. Step 2: Convert to fraction form
    3,853,857.60/5,318,650.08 = 2,135,517.12/x
  3. Step 3: Cross multiply
    3,853,857.60x = 5,318,650.08 × 2,135,517.12
  4. Step 4: Simplify right side
    3,853,857.60x = 11,358,068,301,129.37
  5. Step 5: Solve for x
    x = 11,358,068,301,129.37/3,853,857.60
  6. Step 6: Final answer
    x = 2,947,194.60

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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.