Home / 3,120,560.40-4,680,840.60-1,226,672.40

Finding the Fourth Proportional to 3,120,560.40, 4,680,840.60 and 1,226,672.40

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Solution

The fourth proportional to 3,120,560.40, 4,680,840.60 and 1,226,672.40 is: 1,840,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,560.40 : 4,680,840.60 = 1,226,672.40 : x
  2. Step 2: Convert to fraction form
    3,120,560.40/4,680,840.60 = 1,226,672.40/x
  3. Step 3: Cross multiply
    3,120,560.40x = 4,680,840.60 × 1,226,672.40
  4. Step 4: Simplify right side
    3,120,560.40x = 5,741,857,972,819.44
  5. Step 5: Solve for x
    x = 5,741,857,972,819.44/3,120,560.40
  6. Step 6: Final answer
    x = 1,840,008.60

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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.