Home / 2,679,328.80-4,017,826.80-881,517.60

Finding the Fourth Proportional to 2,679,328.80, 4,017,826.80 and 881,517.60

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Solution

The fourth proportional to 2,679,328.80, 4,017,826.80 and 881,517.60 is: 1,321,892.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679,328.80 : 4,017,826.80 = 881,517.60 : x
  2. Step 2: Convert to fraction form
    2,679,328.80/4,017,826.80 = 881,517.60/x
  3. Step 3: Cross multiply
    2,679,328.80x = 4,017,826.80 × 881,517.60
  4. Step 4: Simplify right side
    2,679,328.80x = 3,541,785,037,951.68
  5. Step 5: Solve for x
    x = 3,541,785,037,951.68/2,679,328.80
  6. Step 6: Final answer
    x = 1,321,892.65

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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.