Home / 4,920,992.70-7,381,489.05-3,661,280.70

Finding the Fourth Proportional to 4,920,992.70, 7,381,489.05 and 3,661,280.70

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Solution

The fourth proportional to 4,920,992.70, 7,381,489.05 and 3,661,280.70 is: 5,491,921.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,992.70 : 7,381,489.05 = 3,661,280.70 : x
  2. Step 2: Convert to fraction form
    4,920,992.70/7,381,489.05 = 3,661,280.70/x
  3. Step 3: Cross multiply
    4,920,992.70x = 7,381,489.05 × 3,661,280.70
  4. Step 4: Simplify right side
    4,920,992.70x = 27,025,703,396,026.34
  5. Step 5: Solve for x
    x = 27,025,703,396,026.34/4,920,992.70
  6. Step 6: Final answer
    x = 5,491,921.05

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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.