Home / 3,622,313.78-4,998,912.86-1,990,778.98

Finding the Fourth Proportional to 3,622,313.78, 4,998,912.86 and 1,990,778.98

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Solution

The fourth proportional to 3,622,313.78, 4,998,912.86 and 1,990,778.98 is: 2,747,340.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622,313.78 : 4,998,912.86 = 1,990,778.98 : x
  2. Step 2: Convert to fraction form
    3,622,313.78/4,998,912.86 = 1,990,778.98/x
  3. Step 3: Cross multiply
    3,622,313.78x = 4,998,912.86 × 1,990,778.98
  4. Step 4: Simplify right side
    3,622,313.78x = 9,951,730,637,019.35
  5. Step 5: Solve for x
    x = 9,951,730,637,019.35/3,622,313.78
  6. Step 6: Final answer
    x = 2,747,340.85

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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.