Home / 2,151,872.40-3,228,269.40-656,115.60

Finding the Fourth Proportional to 2,151,872.40, 3,228,269.40 and 656,115.60

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Solution

The fourth proportional to 2,151,872.40, 3,228,269.40 and 656,115.60 is: 984,313.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151,872.40 : 3,228,269.40 = 656,115.60 : x
  2. Step 2: Convert to fraction form
    2,151,872.40/3,228,269.40 = 656,115.60/x
  3. Step 3: Cross multiply
    2,151,872.40x = 3,228,269.40 × 656,115.60
  4. Step 4: Simplify right side
    2,151,872.40x = 2,118,117,914,342.64
  5. Step 5: Solve for x
    x = 2,118,117,914,342.64/2,151,872.40
  6. Step 6: Final answer
    x = 984,313.90

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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.