Home / 2,754,515.40-4,131,773.10-2,116,786.20

Finding the Fourth Proportional to 2,754,515.40, 4,131,773.10 and 2,116,786.20

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Solution

The fourth proportional to 2,754,515.40, 4,131,773.10 and 2,116,786.20 is: 3,175,179.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754,515.40 : 4,131,773.10 = 2,116,786.20 : x
  2. Step 2: Convert to fraction form
    2,754,515.40/4,131,773.10 = 2,116,786.20/x
  3. Step 3: Cross multiply
    2,754,515.40x = 4,131,773.10 × 2,116,786.20
  4. Step 4: Simplify right side
    2,754,515.40x = 8,746,080,279,611.22
  5. Step 5: Solve for x
    x = 8,746,080,279,611.22/2,754,515.40
  6. Step 6: Final answer
    x = 3,175,179.30

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Double scale
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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.