Home / 2,079,212.10-3,119,255.55-880,517.40

Finding the Fourth Proportional to 2,079,212.10, 3,119,255.55 and 880,517.40

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Solution

The fourth proportional to 2,079,212.10, 3,119,255.55 and 880,517.40 is: 1,320,961.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,212.10 : 3,119,255.55 = 880,517.40 : x
  2. Step 2: Convert to fraction form
    2,079,212.10/3,119,255.55 = 880,517.40/x
  3. Step 3: Cross multiply
    2,079,212.10x = 3,119,255.55 × 880,517.40
  4. Step 4: Simplify right side
    2,079,212.10x = 2,746,558,786,821.57
  5. Step 5: Solve for x
    x = 2,746,558,786,821.57/2,079,212.10
  6. Step 6: Final answer
    x = 1,320,961.33

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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.