Home / 5,148,702.38-7,105,209.29-2,857,231.82

Finding the Fourth Proportional to 5,148,702.38, 7,105,209.29 and 2,857,231.82

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Solution

The fourth proportional to 5,148,702.38, 7,105,209.29 and 2,857,231.82 is: 3,942,979.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148,702.38 : 7,105,209.29 = 2,857,231.82 : x
  2. Step 2: Convert to fraction form
    5,148,702.38/7,105,209.29 = 2,857,231.82/x
  3. Step 3: Cross multiply
    5,148,702.38x = 7,105,209.29 × 2,857,231.82
  4. Step 4: Simplify right side
    5,148,702.38x = 20,301,230,021,335.40
  5. Step 5: Solve for x
    x = 20,301,230,021,335.40/5,148,702.38
  6. Step 6: Final answer
    x = 3,942,979.91

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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.