Home / 2,198,597.12-3,033,375.36-1,231,596.80

Finding the Fourth Proportional to 2,198,597.12, 3,033,375.36 and 1,231,596.80

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Solution

The fourth proportional to 2,198,597.12, 3,033,375.36 and 1,231,596.80 is: 1,699,217.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,597.12 : 3,033,375.36 = 1,231,596.80 : x
  2. Step 2: Convert to fraction form
    2,198,597.12/3,033,375.36 = 1,231,596.80/x
  3. Step 3: Cross multiply
    2,198,597.12x = 3,033,375.36 × 1,231,596.80
  4. Step 4: Simplify right side
    2,198,597.12x = 3,735,895,386,574.85
  5. Step 5: Solve for x
    x = 3,735,895,386,574.85/2,198,597.12
  6. Step 6: Final answer
    x = 1,699,217.81

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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.