Home / 2,198,257.18-3,033,561.64-1,231,422.07

Finding the Fourth Proportional to 2,198,257.18, 3,033,561.64 and 1,231,422.07

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Solution

The fourth proportional to 2,198,257.18, 3,033,561.64 and 1,231,422.07 is: 1,699,343.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,257.18 : 3,033,561.64 = 1,231,422.07 : x
  2. Step 2: Convert to fraction form
    2,198,257.18/3,033,561.64 = 1,231,422.07/x
  3. Step 3: Cross multiply
    2,198,257.18x = 3,033,561.64 × 1,231,422.07
  4. Step 4: Simplify right side
    2,198,257.18x = 3,735,594,754,201.40
  5. Step 5: Solve for x
    x = 3,735,594,754,201.40/2,198,257.18
  6. Step 6: Final answer
    x = 1,699,343.82

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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.