Home / 1,979,102.96-2,968,706.30-682,241.61

Finding the Fourth Proportional to 1,979,102.96, 2,968,706.30 and 682,241.61

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Solution

The fourth proportional to 1,979,102.96, 2,968,706.30 and 682,241.61 is: 1,023,380.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,102.96 : 2,968,706.30 = 682,241.61 : x
  2. Step 2: Convert to fraction form
    1,979,102.96/2,968,706.30 = 682,241.61/x
  3. Step 3: Cross multiply
    1,979,102.96x = 2,968,706.30 × 682,241.61
  4. Step 4: Simplify right side
    1,979,102.96x = 2,025,374,965,729.14
  5. Step 5: Solve for x
    x = 2,025,374,965,729.14/1,979,102.96
  6. Step 6: Final answer
    x = 1,023,380.29

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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.