Home / 3,120,512.80-4,680,769.20-2,057,630.80

Finding the Fourth Proportional to 3,120,512.80, 4,680,769.20 and 2,057,630.80

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Solution

The fourth proportional to 3,120,512.80, 4,680,769.20 and 2,057,630.80 is: 3,086,446.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,512.80 : 4,680,769.20 = 2,057,630.80 : x
  2. Step 2: Convert to fraction form
    3,120,512.80/4,680,769.20 = 2,057,630.80/x
  3. Step 3: Cross multiply
    3,120,512.80x = 4,680,769.20 × 2,057,630.80
  4. Step 4: Simplify right side
    3,120,512.80x = 9,631,294,873,611.36
  5. Step 5: Solve for x
    x = 9,631,294,873,611.36/3,120,512.80
  6. Step 6: Final answer
    x = 3,086,446.20

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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.