Home / 3,189,474.96-4,784,212.44-2,189,170.32

Finding the Fourth Proportional to 3,189,474.96, 4,784,212.44 and 2,189,170.32

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Solution

The fourth proportional to 3,189,474.96, 4,784,212.44 and 2,189,170.32 is: 3,283,755.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,474.96 : 4,784,212.44 = 2,189,170.32 : x
  2. Step 2: Convert to fraction form
    3,189,474.96/4,784,212.44 = 2,189,170.32/x
  3. Step 3: Cross multiply
    3,189,474.96x = 4,784,212.44 × 2,189,170.32
  4. Step 4: Simplify right side
    3,189,474.96x = 10,473,455,878,222.78
  5. Step 5: Solve for x
    x = 10,473,455,878,222.78/3,189,474.96
  6. Step 6: Final answer
    x = 3,283,755.48

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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.