Home / 2,209,963.43-3,049,584.68-1,242,906.89

Finding the Fourth Proportional to 2,209,963.43, 3,049,584.68 and 1,242,906.89

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Solution

The fourth proportional to 2,209,963.43, 3,049,584.68 and 1,242,906.89 is: 1,715,118.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,963.43 : 3,049,584.68 = 1,242,906.89 : x
  2. Step 2: Convert to fraction form
    2,209,963.43/3,049,584.68 = 1,242,906.89/x
  3. Step 3: Cross multiply
    2,209,963.43x = 3,049,584.68 × 1,242,906.89
  4. Step 4: Simplify right side
    2,209,963.43x = 3,790,349,798,269.79
  5. Step 5: Solve for x
    x = 3,790,349,798,269.79/2,209,963.43
  6. Step 6: Final answer
    x = 1,715,118.79

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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.