Home / 1,682,481.70-2,520,770.10-1,381,331.80

Finding the Fourth Proportional to 1,682,481.70, 2,520,770.10 and 1,381,331.80

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Solution

The fourth proportional to 1,682,481.70, 2,520,770.10 and 1,381,331.80 is: 2,069,573.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,481.70 : 2,520,770.10 = 1,381,331.80 : x
  2. Step 2: Convert to fraction form
    1,682,481.70/2,520,770.10 = 1,381,331.80/x
  3. Step 3: Cross multiply
    1,682,481.70x = 2,520,770.10 × 1,381,331.80
  4. Step 4: Simplify right side
    1,682,481.70x = 3,482,019,899,619.18
  5. Step 5: Solve for x
    x = 3,482,019,899,619.18/1,682,481.70
  6. Step 6: Final answer
    x = 2,069,573.71

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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.