Home / 1,912,821.10-2,863,010.85-1,489,806.70

Finding the Fourth Proportional to 1,912,821.10, 2,863,010.85 and 1,489,806.70

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Solution

The fourth proportional to 1,912,821.10, 2,863,010.85 and 1,489,806.70 is: 2,229,864.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,821.10 : 2,863,010.85 = 1,489,806.70 : x
  2. Step 2: Convert to fraction form
    1,912,821.10/2,863,010.85 = 1,489,806.70/x
  3. Step 3: Cross multiply
    1,912,821.10x = 2,863,010.85 × 1,489,806.70
  4. Step 4: Simplify right side
    1,912,821.10x = 4,265,332,746,502.70
  5. Step 5: Solve for x
    x = 4,265,332,746,502.70/1,912,821.10
  6. Step 6: Final answer
    x = 2,229,864.96

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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.