Home / 2,187,144.39-3,280,716.59-691,119.75

Finding the Fourth Proportional to 2,187,144.39, 3,280,716.59 and 691,119.75

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Solution

The fourth proportional to 2,187,144.39, 3,280,716.59 and 691,119.75 is: 1,036,679.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,144.39 : 3,280,716.59 = 691,119.75 : x
  2. Step 2: Convert to fraction form
    2,187,144.39/3,280,716.59 = 691,119.75/x
  3. Step 3: Cross multiply
    2,187,144.39x = 3,280,716.59 × 691,119.75
  4. Step 4: Simplify right side
    2,187,144.39x = 2,267,368,026,046.05
  5. Step 5: Solve for x
    x = 2,267,368,026,046.05/2,187,144.39
  6. Step 6: Final answer
    x = 1,036,679.63

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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.