Home / 2,121,252.54-3,182,177.66-681,453.14

Finding the Fourth Proportional to 2,121,252.54, 3,182,177.66 and 681,453.14

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Solution

The fourth proportional to 2,121,252.54, 3,182,177.66 and 681,453.14 is: 1,022,275.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,252.54 : 3,182,177.66 = 681,453.14 : x
  2. Step 2: Convert to fraction form
    2,121,252.54/3,182,177.66 = 681,453.14/x
  3. Step 3: Cross multiply
    2,121,252.54x = 3,182,177.66 × 681,453.14
  4. Step 4: Simplify right side
    2,121,252.54x = 2,168,504,958,444.85
  5. Step 5: Solve for x
    x = 2,168,504,958,444.85/2,121,252.54
  6. Step 6: Final answer
    x = 1,022,275.72

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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.