Home / 3,278,434.30-4,920,761.85-2,018,722.30

Finding the Fourth Proportional to 3,278,434.30, 4,920,761.85 and 2,018,722.30

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Solution

The fourth proportional to 3,278,434.30, 4,920,761.85 and 2,018,722.30 is: 3,029,998.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278,434.30 : 4,920,761.85 = 2,018,722.30 : x
  2. Step 2: Convert to fraction form
    3,278,434.30/4,920,761.85 = 2,018,722.30/x
  3. Step 3: Cross multiply
    3,278,434.30x = 4,920,761.85 × 2,018,722.30
  4. Step 4: Simplify right side
    3,278,434.30x = 9,933,651,679,584.25
  5. Step 5: Solve for x
    x = 9,933,651,679,584.25/3,278,434.30
  6. Step 6: Final answer
    x = 3,029,998.70

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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.