Home / 2,318,778.80-3,478,168.20-2,007,738.80

Finding the Fourth Proportional to 2,318,778.80, 3,478,168.20 and 2,007,738.80

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Solution

The fourth proportional to 2,318,778.80, 3,478,168.20 and 2,007,738.80 is: 3,011,608.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318,778.80 : 3,478,168.20 = 2,007,738.80 : x
  2. Step 2: Convert to fraction form
    2,318,778.80/3,478,168.20 = 2,007,738.80/x
  3. Step 3: Cross multiply
    2,318,778.80x = 3,478,168.20 × 2,007,738.80
  4. Step 4: Simplify right side
    2,318,778.80x = 6,983,253,248,066.16
  5. Step 5: Solve for x
    x = 6,983,253,248,066.16/2,318,778.80
  6. Step 6: Final answer
    x = 3,011,608.20

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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.