Home / 5,649,761.40-8,474,642.10-3,949,150.20

Finding the Fourth Proportional to 5,649,761.40, 8,474,642.10 and 3,949,150.20

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Solution

The fourth proportional to 5,649,761.40, 8,474,642.10 and 3,949,150.20 is: 5,923,725.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,649,761.40 : 8,474,642.10 = 3,949,150.20 : x
  2. Step 2: Convert to fraction form
    5,649,761.40/8,474,642.10 = 3,949,150.20/x
  3. Step 3: Cross multiply
    5,649,761.40x = 8,474,642.10 × 3,949,150.20
  4. Step 4: Simplify right side
    5,649,761.40x = 33,467,634,544,143.42
  5. Step 5: Solve for x
    x = 33,467,634,544,143.42/5,649,761.40
  6. Step 6: Final answer
    x = 5,923,725.30

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Double scale
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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.