Home / 2,808,793.80-4,213,190.70-2,609,728.20

Finding the Fourth Proportional to 2,808,793.80, 4,213,190.70 and 2,609,728.20

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Solution

The fourth proportional to 2,808,793.80, 4,213,190.70 and 2,609,728.20 is: 3,914,592.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,793.80 : 4,213,190.70 = 2,609,728.20 : x
  2. Step 2: Convert to fraction form
    2,808,793.80/4,213,190.70 = 2,609,728.20/x
  3. Step 3: Cross multiply
    2,808,793.80x = 4,213,190.70 × 2,609,728.20
  4. Step 4: Simplify right side
    2,808,793.80x = 10,995,282,581,767.74
  5. Step 5: Solve for x
    x = 10,995,282,581,767.74/2,808,793.80
  6. Step 6: Final answer
    x = 3,914,592.30

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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.