Home / 5,197,918.97-7,170,248.38-3,022,221.65

Finding the Fourth Proportional to 5,197,918.97, 7,170,248.38 and 3,022,221.65

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Solution

The fourth proportional to 5,197,918.97, 7,170,248.38 and 3,022,221.65 is: 4,168,991.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197,918.97 : 7,170,248.38 = 3,022,221.65 : x
  2. Step 2: Convert to fraction form
    5,197,918.97/7,170,248.38 = 3,022,221.65/x
  3. Step 3: Cross multiply
    5,197,918.97x = 7,170,248.38 × 3,022,221.65
  4. Step 4: Simplify right side
    5,197,918.97x = 21,670,079,838,951.08
  5. Step 5: Solve for x
    x = 21,670,079,838,951.08/5,197,918.97
  6. Step 6: Final answer
    x = 4,168,991.47

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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.