Home / 2,176,062.44-3,002,906.22-1,209,167.96

Finding the Fourth Proportional to 2,176,062.44, 3,002,906.22 and 1,209,167.96

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Solution

The fourth proportional to 2,176,062.44, 3,002,906.22 and 1,209,167.96 is: 1,668,618.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176,062.44 : 3,002,906.22 = 1,209,167.96 : x
  2. Step 2: Convert to fraction form
    2,176,062.44/3,002,906.22 = 1,209,167.96/x
  3. Step 3: Cross multiply
    2,176,062.44x = 3,002,906.22 × 1,209,167.96
  4. Step 4: Simplify right side
    2,176,062.44x = 3,631,017,988,108.71
  5. Step 5: Solve for x
    x = 3,631,017,988,108.71/2,176,062.44
  6. Step 6: Final answer
    x = 1,668,618.47

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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.