Home / 3,278,691.68-4,918,046.66-1,257,555.12

Finding the Fourth Proportional to 3,278,691.68, 4,918,046.66 and 1,257,555.12

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Solution

The fourth proportional to 3,278,691.68, 4,918,046.66 and 1,257,555.12 is: 1,886,336.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278,691.68 : 4,918,046.66 = 1,257,555.12 : x
  2. Step 2: Convert to fraction form
    3,278,691.68/4,918,046.66 = 1,257,555.12/x
  3. Step 3: Cross multiply
    3,278,691.68x = 4,918,046.66 × 1,257,555.12
  4. Step 4: Simplify right side
    3,278,691.68x = 6,184,714,737,667.28
  5. Step 5: Solve for x
    x = 6,184,714,737,667.28/3,278,691.68
  6. Step 6: Final answer
    x = 1,886,336.18

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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.