Home / 2,209,676.73-3,049,323.79-1,242,806.64

Finding the Fourth Proportional to 2,209,676.73, 3,049,323.79 and 1,242,806.64

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Solution

The fourth proportional to 2,209,676.73, 3,049,323.79 and 1,242,806.64 is: 1,715,056.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,676.73 : 3,049,323.79 = 1,242,806.64 : x
  2. Step 2: Convert to fraction form
    2,209,676.73/3,049,323.79 = 1,242,806.64/x
  3. Step 3: Cross multiply
    2,209,676.73x = 3,049,323.79 × 1,242,806.64
  4. Step 4: Simplify right side
    2,209,676.73x = 3,789,719,853,721.97
  5. Step 5: Solve for x
    x = 3,789,719,853,721.97/2,209,676.73
  6. Step 6: Final answer
    x = 1,715,056.24

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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.