Home / 6,721,685.73-9,275,883.89-3,821,076.74

Finding the Fourth Proportional to 6,721,685.73, 9,275,883.89 and 3,821,076.74

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Solution

The fourth proportional to 6,721,685.73, 9,275,883.89 and 3,821,076.74 is: 5,273,061.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721,685.73 : 9,275,883.89 = 3,821,076.74 : x
  2. Step 2: Convert to fraction form
    6,721,685.73/9,275,883.89 = 3,821,076.74/x
  3. Step 3: Cross multiply
    6,721,685.73x = 9,275,883.89 × 3,821,076.74
  4. Step 4: Simplify right side
    6,721,685.73x = 35,443,864,109,534.91
  5. Step 5: Solve for x
    x = 35,443,864,109,534.91/6,721,685.73
  6. Step 6: Final answer
    x = 5,273,061.78

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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.