Home / 3,609,682.65-4,981,282.11-1,978,054.29

Finding the Fourth Proportional to 3,609,682.65, 4,981,282.11 and 1,978,054.29

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Solution

The fourth proportional to 3,609,682.65, 4,981,282.11 and 1,978,054.29 is: 2,729,671.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609,682.65 : 4,981,282.11 = 1,978,054.29 : x
  2. Step 2: Convert to fraction form
    3,609,682.65/4,981,282.11 = 1,978,054.29/x
  3. Step 3: Cross multiply
    3,609,682.65x = 4,981,282.11 × 1,978,054.29
  4. Step 4: Simplify right side
    3,609,682.65x = 9,853,246,447,385.75
  5. Step 5: Solve for x
    x = 9,853,246,447,385.75/3,609,682.65
  6. Step 6: Final answer
    x = 2,729,671.11

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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.