Home / 2,142,679.54-3,215,063.79-880,886.26

Finding the Fourth Proportional to 2,142,679.54, 3,215,063.79 and 880,886.26

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Solution

The fourth proportional to 2,142,679.54, 3,215,063.79 and 880,886.26 is: 1,321,758.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,679.54 : 3,215,063.79 = 880,886.26 : x
  2. Step 2: Convert to fraction form
    2,142,679.54/3,215,063.79 = 880,886.26/x
  3. Step 3: Cross multiply
    2,142,679.54x = 3,215,063.79 × 880,886.26
  4. Step 4: Simplify right side
    2,142,679.54x = 2,832,105,517,634.53
  5. Step 5: Solve for x
    x = 2,832,105,517,634.53/2,142,679.54
  6. Step 6: Final answer
    x = 1,321,758.79

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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.