Home / 5,177,746.67-7,766,615.89-1,391,229.54

Finding the Fourth Proportional to 5,177,746.67, 7,766,615.89 and 1,391,229.54

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Solution

The fourth proportional to 5,177,746.67, 7,766,615.89 and 1,391,229.54 is: 2,086,843.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177,746.67 : 7,766,615.89 = 1,391,229.54 : x
  2. Step 2: Convert to fraction form
    5,177,746.67/7,766,615.89 = 1,391,229.54/x
  3. Step 3: Cross multiply
    5,177,746.67x = 7,766,615.89 × 1,391,229.54
  4. Step 4: Simplify right side
    5,177,746.67x = 10,805,145,452,001.39
  5. Step 5: Solve for x
    x = 10,805,145,452,001.39/5,177,746.67
  6. Step 6: Final answer
    x = 2,086,843.21

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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.