Home / 3,100,730.36-4,278,046.20-1,810,640.12

Finding the Fourth Proportional to 3,100,730.36, 4,278,046.20 and 1,810,640.12

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Solution

The fourth proportional to 3,100,730.36, 4,278,046.20 and 1,810,640.12 is: 2,498,121.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,730.36 : 4,278,046.20 = 1,810,640.12 : x
  2. Step 2: Convert to fraction form
    3,100,730.36/4,278,046.20 = 1,810,640.12/x
  3. Step 3: Cross multiply
    3,100,730.36x = 4,278,046.20 × 1,810,640.12
  4. Step 4: Simplify right side
    3,100,730.36x = 7,746,002,084,933.55
  5. Step 5: Solve for x
    x = 7,746,002,084,933.55/3,100,730.36
  6. Step 6: Final answer
    x = 2,498,121.79

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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.