Home / 2,198,257.70-3,033,562.32-1,231,422.59

Finding the Fourth Proportional to 2,198,257.70, 3,033,562.32 and 1,231,422.59

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Solution

The fourth proportional to 2,198,257.70, 3,033,562.32 and 1,231,422.59 is: 1,699,344.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,257.70 : 3,033,562.32 = 1,231,422.59 : x
  2. Step 2: Convert to fraction form
    2,198,257.70/3,033,562.32 = 1,231,422.59/x
  3. Step 3: Cross multiply
    2,198,257.70x = 3,033,562.32 × 1,231,422.59
  4. Step 4: Simplify right side
    2,198,257.70x = 3,735,597,176,604.71
  5. Step 5: Solve for x
    x = 3,735,597,176,604.71/2,198,257.70
  6. Step 6: Final answer
    x = 1,699,344.52

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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.