Home / 3,391,520.28-4,680,244.80-1,863,594.60

Finding the Fourth Proportional to 3,391,520.28, 4,680,244.80 and 1,863,594.60

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Solution

The fourth proportional to 3,391,520.28, 4,680,244.80 and 1,863,594.60 is: 2,571,731.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391,520.28 : 4,680,244.80 = 1,863,594.60 : x
  2. Step 2: Convert to fraction form
    3,391,520.28/4,680,244.80 = 1,863,594.60/x
  3. Step 3: Cross multiply
    3,391,520.28x = 4,680,244.80 × 1,863,594.60
  4. Step 4: Simplify right side
    3,391,520.28x = 8,722,078,935,958.08
  5. Step 5: Solve for x
    x = 8,722,078,935,958.08/3,391,520.28
  6. Step 6: Final answer
    x = 2,571,731.32

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.