Home / 6,850,855.62-9,455,187.90-3,949,679.84

Finding the Fourth Proportional to 6,850,855.62, 9,455,187.90 and 3,949,679.84

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Solution

The fourth proportional to 6,850,855.62, 9,455,187.90 and 3,949,679.84 is: 5,451,138.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,850,855.62 : 9,455,187.90 = 3,949,679.84 : x
  2. Step 2: Convert to fraction form
    6,850,855.62/9,455,187.90 = 3,949,679.84/x
  3. Step 3: Cross multiply
    6,850,855.62x = 9,455,187.90 × 3,949,679.84
  4. Step 4: Simplify right side
    6,850,855.62x = 37,344,964,984,766
  5. Step 5: Solve for x
    x = 37,344,964,984,766/6,850,855.62
  6. Step 6: Final answer
    x = 5,451,138.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.