Home / 2,646,665.12-3,968,290.92-1,131,336.56

Finding the Fourth Proportional to 2,646,665.12, 3,968,290.92 and 1,131,336.56

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Solution

The fourth proportional to 2,646,665.12, 3,968,290.92 and 1,131,336.56 is: 1,696,275.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646,665.12 : 3,968,290.92 = 1,131,336.56 : x
  2. Step 2: Convert to fraction form
    2,646,665.12/3,968,290.92 = 1,131,336.56/x
  3. Step 3: Cross multiply
    2,646,665.12x = 3,968,290.92 × 1,131,336.56
  4. Step 4: Simplify right side
    2,646,665.12x = 4,489,472,598,512.04
  5. Step 5: Solve for x
    x = 4,489,472,598,512.04/2,646,665.12
  6. Step 6: Final answer
    x = 1,696,275.27

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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.