Home / 2,193,194.40-3,289,791.60-2,109,213.60

Finding the Fourth Proportional to 2,193,194.40, 3,289,791.60 and 2,109,213.60

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Solution

The fourth proportional to 2,193,194.40, 3,289,791.60 and 2,109,213.60 is: 3,163,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193,194.40 : 3,289,791.60 = 2,109,213.60 : x
  2. Step 2: Convert to fraction form
    2,193,194.40/3,289,791.60 = 2,109,213.60/x
  3. Step 3: Cross multiply
    2,193,194.40x = 3,289,791.60 × 2,109,213.60
  4. Step 4: Simplify right side
    2,193,194.40x = 6,938,873,183,885.76
  5. Step 5: Solve for x
    x = 6,938,873,183,885.76/2,193,194.40
  6. Step 6: Final answer
    x = 3,163,820.40

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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.