Home / 5,170,990.75-7,757,966-1,760,028.91

Finding the Fourth Proportional to 5,170,990.75, 7,757,966 and 1,760,028.91

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Solution

The fourth proportional to 5,170,990.75, 7,757,966 and 1,760,028.91 is: 2,640,547.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170,990.75 : 7,757,966 = 1,760,028.91 : x
  2. Step 2: Convert to fraction form
    5,170,990.75/7,757,966 = 1,760,028.91/x
  3. Step 3: Cross multiply
    5,170,990.75x = 7,757,966 × 1,760,028.91
  4. Step 4: Simplify right side
    5,170,990.75x = 13,654,244,442,797.06
  5. Step 5: Solve for x
    x = 13,654,244,442,797.06/5,170,990.75
  6. Step 6: Final answer
    x = 2,640,547.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.