Home / 3,856,470.30-5,784,705.45-2,861,142.30

Finding the Fourth Proportional to 3,856,470.30, 5,784,705.45 and 2,861,142.30

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Solution

The fourth proportional to 3,856,470.30, 5,784,705.45 and 2,861,142.30 is: 4,291,713.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856,470.30 : 5,784,705.45 = 2,861,142.30 : x
  2. Step 2: Convert to fraction form
    3,856,470.30/5,784,705.45 = 2,861,142.30/x
  3. Step 3: Cross multiply
    3,856,470.30x = 5,784,705.45 × 2,861,142.30
  4. Step 4: Simplify right side
    3,856,470.30x = 16,550,865,456,035.54
  5. Step 5: Solve for x
    x = 16,550,865,456,035.54/3,856,470.30
  6. Step 6: Final answer
    x = 4,291,713.45

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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.