Home / 2,148,661.22-3,222,716.49-708,988.28

Finding the Fourth Proportional to 2,148,661.22, 3,222,716.49 and 708,988.28

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Solution

The fourth proportional to 2,148,661.22, 3,222,716.49 and 708,988.28 is: 1,063,391.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,661.22 : 3,222,716.49 = 708,988.28 : x
  2. Step 2: Convert to fraction form
    2,148,661.22/3,222,716.49 = 708,988.28/x
  3. Step 3: Cross multiply
    2,148,661.22x = 3,222,716.49 × 708,988.28
  4. Step 4: Simplify right side
    2,148,661.22x = 2,284,868,205,059.15
  5. Step 5: Solve for x
    x = 2,284,868,205,059.15/2,148,661.22
  6. Step 6: Final answer
    x = 1,063,391.56

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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.