Home / 4,920,481.60-7,380,722.40-2,680,993.60

Finding the Fourth Proportional to 4,920,481.60, 7,380,722.40 and 2,680,993.60

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Solution

The fourth proportional to 4,920,481.60, 7,380,722.40 and 2,680,993.60 is: 4,021,490.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,481.60 : 7,380,722.40 = 2,680,993.60 : x
  2. Step 2: Convert to fraction form
    4,920,481.60/7,380,722.40 = 2,680,993.60/x
  3. Step 3: Cross multiply
    4,920,481.60x = 7,380,722.40 × 2,680,993.60
  4. Step 4: Simplify right side
    4,920,481.60x = 19,787,669,517,776.64
  5. Step 5: Solve for x
    x = 19,787,669,517,776.64/4,920,481.60
  6. Step 6: Final answer
    x = 4,021,490.40

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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.