Home / 2,193,118.80-3,289,678.20-2,098,640.40

Finding the Fourth Proportional to 2,193,118.80, 3,289,678.20 and 2,098,640.40

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Solution

The fourth proportional to 2,193,118.80, 3,289,678.20 and 2,098,640.40 is: 3,147,960.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193,118.80 : 3,289,678.20 = 2,098,640.40 : x
  2. Step 2: Convert to fraction form
    2,193,118.80/3,289,678.20 = 2,098,640.40/x
  3. Step 3: Cross multiply
    2,193,118.80x = 3,289,678.20 × 2,098,640.40
  4. Step 4: Simplify right side
    2,193,118.80x = 6,903,851,573,519.28
  5. Step 5: Solve for x
    x = 6,903,851,573,519.28/2,193,118.80
  6. Step 6: Final answer
    x = 3,147,960.60

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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.