Home / 2,139,279.22-3,208,240.95-699,629.95

Finding the Fourth Proportional to 2,139,279.22, 3,208,240.95 and 699,629.95

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Solution

The fourth proportional to 2,139,279.22, 3,208,240.95 and 699,629.95 is: 1,049,223.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,279.22 : 3,208,240.95 = 699,629.95 : x
  2. Step 2: Convert to fraction form
    2,139,279.22/3,208,240.95 = 699,629.95/x
  3. Step 3: Cross multiply
    2,139,279.22x = 3,208,240.95 × 699,629.95
  4. Step 4: Simplify right side
    2,139,279.22x = 2,244,581,455,436.45
  5. Step 5: Solve for x
    x = 2,244,581,455,436.45/2,139,279.22
  6. Step 6: Final answer
    x = 1,049,223.23

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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.