Home / 5,265,221.25-7,891,861.37-2,419,453.11

Finding the Fourth Proportional to 5,265,221.25, 7,891,861.37 and 2,419,453.11

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Solution

The fourth proportional to 5,265,221.25, 7,891,861.37 and 2,419,453.11 is: 3,626,436.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265,221.25 : 7,891,861.37 = 2,419,453.11 : x
  2. Step 2: Convert to fraction form
    5,265,221.25/7,891,861.37 = 2,419,453.11/x
  3. Step 3: Cross multiply
    5,265,221.25x = 7,891,861.37 × 2,419,453.11
  4. Step 4: Simplify right side
    5,265,221.25x = 19,093,988,523,238.09
  5. Step 5: Solve for x
    x = 19,093,988,523,238.09/5,265,221.25
  6. Step 6: Final answer
    x = 3,626,436.12

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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.