Home / 2,859,691.96-4,290,155.16-966,391.48

Finding the Fourth Proportional to 2,859,691.96, 4,290,155.16 and 966,391.48

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Solution

The fourth proportional to 2,859,691.96, 4,290,155.16 and 966,391.48 is: 1,449,795.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859,691.96 : 4,290,155.16 = 966,391.48 : x
  2. Step 2: Convert to fraction form
    2,859,691.96/4,290,155.16 = 966,391.48/x
  3. Step 3: Cross multiply
    2,859,691.96x = 4,290,155.16 × 966,391.48
  4. Step 4: Simplify right side
    2,859,691.96x = 4,145,969,394,502.04
  5. Step 5: Solve for x
    x = 4,145,969,394,502.04/2,859,691.96
  6. Step 6: Final answer
    x = 1,449,795.80

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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.