Home / 2,189,856.80-3,284,785.20-1,010,208.80

Finding the Fourth Proportional to 2,189,856.80, 3,284,785.20 and 1,010,208.80

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Solution

The fourth proportional to 2,189,856.80, 3,284,785.20 and 1,010,208.80 is: 1,515,313.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,856.80 : 3,284,785.20 = 1,010,208.80 : x
  2. Step 2: Convert to fraction form
    2,189,856.80/3,284,785.20 = 1,010,208.80/x
  3. Step 3: Cross multiply
    2,189,856.80x = 3,284,785.20 × 1,010,208.80
  4. Step 4: Simplify right side
    2,189,856.80x = 3,318,318,915,149.76
  5. Step 5: Solve for x
    x = 3,318,318,915,149.76/2,189,856.80
  6. Step 6: Final answer
    x = 1,515,313.20

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Double scale
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Similar ratio
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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.