Home / 3,280,523.80-4,920,785.70-2,981,342.20

Finding the Fourth Proportional to 3,280,523.80, 4,920,785.70 and 2,981,342.20

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Solution

The fourth proportional to 3,280,523.80, 4,920,785.70 and 2,981,342.20 is: 4,472,013.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,523.80 : 4,920,785.70 = 2,981,342.20 : x
  2. Step 2: Convert to fraction form
    3,280,523.80/4,920,785.70 = 2,981,342.20/x
  3. Step 3: Cross multiply
    3,280,523.80x = 4,920,785.70 × 2,981,342.20
  4. Step 4: Simplify right side
    3,280,523.80x = 14,670,546,064,566.54
  5. Step 5: Solve for x
    x = 14,670,546,064,566.54/3,280,523.80
  6. Step 6: Final answer
    x = 4,472,013.30

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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.