Home / 2,149,275.25-3,221,255.67-1,084,621.78

Finding the Fourth Proportional to 2,149,275.25, 3,221,255.67 and 1,084,621.78

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Solution

The fourth proportional to 2,149,275.25, 3,221,255.67 and 1,084,621.78 is: 1,625,591.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149,275.25 : 3,221,255.67 = 1,084,621.78 : x
  2. Step 2: Convert to fraction form
    2,149,275.25/3,221,255.67 = 1,084,621.78/x
  3. Step 3: Cross multiply
    2,149,275.25x = 3,221,255.67 × 1,084,621.78
  4. Step 4: Simplify right side
    2,149,275.25x = 3,493,844,058,630.49
  5. Step 5: Solve for x
    x = 3,493,844,058,630.49/2,149,275.25
  6. Step 6: Final answer
    x = 1,625,591.72

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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.