Home / 3,179,612.22-4,389,006.30-1,890,449.54

Finding the Fourth Proportional to 3,179,612.22, 4,389,006.30 and 1,890,449.54

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Solution

The fourth proportional to 3,179,612.22, 4,389,006.30 and 1,890,449.54 is: 2,609,499.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,612.22 : 4,389,006.30 = 1,890,449.54 : x
  2. Step 2: Convert to fraction form
    3,179,612.22/4,389,006.30 = 1,890,449.54/x
  3. Step 3: Cross multiply
    3,179,612.22x = 4,389,006.30 × 1,890,449.54
  4. Step 4: Simplify right side
    3,179,612.22x = 8,297,194,940,892.10
  5. Step 5: Solve for x
    x = 8,297,194,940,892.10/3,179,612.22
  6. Step 6: Final answer
    x = 2,609,499.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.