Home / 5,107,648.73-7,644,740.86-2,798,620.66

Finding the Fourth Proportional to 5,107,648.73, 7,644,740.86 and 2,798,620.66

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Solution

The fourth proportional to 5,107,648.73, 7,644,740.86 and 2,798,620.66 is: 4,188,762.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107,648.73 : 7,644,740.86 = 2,798,620.66 : x
  2. Step 2: Convert to fraction form
    5,107,648.73/7,644,740.86 = 2,798,620.66/x
  3. Step 3: Cross multiply
    5,107,648.73x = 7,644,740.86 × 2,798,620.66
  4. Step 4: Simplify right side
    5,107,648.73x = 21,394,729,711,142.17
  5. Step 5: Solve for x
    x = 21,394,729,711,142.17/5,107,648.73
  6. Step 6: Final answer
    x = 4,188,762.94

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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.