Home / 4,920,992.20-7,381,488.30-3,661,280.20

Finding the Fourth Proportional to 4,920,992.20, 7,381,488.30 and 3,661,280.20

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Solution

The fourth proportional to 4,920,992.20, 7,381,488.30 and 3,661,280.20 is: 5,491,920.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,992.20 : 7,381,488.30 = 3,661,280.20 : x
  2. Step 2: Convert to fraction form
    4,920,992.20/7,381,488.30 = 3,661,280.20/x
  3. Step 3: Cross multiply
    4,920,992.20x = 7,381,488.30 × 3,661,280.20
  4. Step 4: Simplify right side
    4,920,992.20x = 27,025,696,959,321.66
  5. Step 5: Solve for x
    x = 27,025,696,959,321.66/4,920,992.20
  6. Step 6: Final answer
    x = 5,491,920.30

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