Home / 3,289,228.78-4,538,905.29-1,912,474.82

Finding the Fourth Proportional to 3,289,228.78, 4,538,905.29 and 1,912,474.82

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Solution

The fourth proportional to 3,289,228.78, 4,538,905.29 and 1,912,474.82 is: 2,639,081.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289,228.78 : 4,538,905.29 = 1,912,474.82 : x
  2. Step 2: Convert to fraction form
    3,289,228.78/4,538,905.29 = 1,912,474.82/x
  3. Step 3: Cross multiply
    3,289,228.78x = 4,538,905.29 × 1,912,474.82
  4. Step 4: Simplify right side
    3,289,228.78x = 8,680,542,072,708.61
  5. Step 5: Solve for x
    x = 8,680,542,072,708.61/3,289,228.78
  6. Step 6: Final answer
    x = 2,639,081.27

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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.