Home / 2,198,612.28-3,034,047.96-1,231,739.40

Finding the Fourth Proportional to 2,198,612.28, 3,034,047.96 and 1,231,739.40

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Solution

The fourth proportional to 2,198,612.28, 3,034,047.96 and 1,231,739.40 is: 1,699,779.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,612.28 : 3,034,047.96 = 1,231,739.40 : x
  2. Step 2: Convert to fraction form
    2,198,612.28/3,034,047.96 = 1,231,739.40/x
  3. Step 3: Cross multiply
    2,198,612.28x = 3,034,047.96 × 1,231,739.40
  4. Step 4: Simplify right side
    2,198,612.28x = 3,737,156,413,821.62
  5. Step 5: Solve for x
    x = 3,737,156,413,821.62/2,198,612.28
  6. Step 6: Final answer
    x = 1,699,779.65

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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.