Home / 2,125,338.75-3,188,327.67-759,006.25

Finding the Fourth Proportional to 2,125,338.75, 3,188,327.67 and 759,006.25

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Solution

The fourth proportional to 2,125,338.75, 3,188,327.67 and 759,006.25 is: 1,138,623.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,338.75 : 3,188,327.67 = 759,006.25 : x
  2. Step 2: Convert to fraction form
    2,125,338.75/3,188,327.67 = 759,006.25/x
  3. Step 3: Cross multiply
    2,125,338.75x = 3,188,327.67 × 759,006.25
  4. Step 4: Simplify right side
    2,125,338.75x = 2,419,960,620,607.12
  5. Step 5: Solve for x
    x = 2,419,960,620,607.12/2,125,338.75
  6. Step 6: Final answer
    x = 1,138,623.49

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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.