Home / 5,265,221.50-7,891,861.74-2,419,453.36

Finding the Fourth Proportional to 5,265,221.50, 7,891,861.74 and 2,419,453.36

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Solution

The fourth proportional to 5,265,221.50, 7,891,861.74 and 2,419,453.36 is: 3,626,436.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265,221.50 : 7,891,861.74 = 2,419,453.36 : x
  2. Step 2: Convert to fraction form
    5,265,221.50/7,891,861.74 = 2,419,453.36/x
  3. Step 3: Cross multiply
    5,265,221.50x = 7,891,861.74 × 2,419,453.36
  4. Step 4: Simplify right side
    5,265,221.50x = 19,093,991,403,498.45
  5. Step 5: Solve for x
    x = 19,093,991,403,498.45/5,265,221.50
  6. Step 6: Final answer
    x = 3,626,436.50

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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.