Home / 2,188,843.20-3,283,264.80-1,006,891.20

Finding the Fourth Proportional to 2,188,843.20, 3,283,264.80 and 1,006,891.20

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Solution

The fourth proportional to 2,188,843.20, 3,283,264.80 and 1,006,891.20 is: 1,510,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,843.20 : 3,283,264.80 = 1,006,891.20 : x
  2. Step 2: Convert to fraction form
    2,188,843.20/3,283,264.80 = 1,006,891.20/x
  3. Step 3: Cross multiply
    2,188,843.20x = 3,283,264.80 × 1,006,891.20
  4. Step 4: Simplify right side
    2,188,843.20x = 3,305,890,434,389.76
  5. Step 5: Solve for x
    x = 3,305,890,434,389.76/2,188,843.20
  6. Step 6: Final answer
    x = 1,510,336.80

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Similar ratio
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1.5x scale

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.