Home / 3,622,712.40-4,999,353.60-1,991,286.94

Finding the Fourth Proportional to 3,622,712.40, 4,999,353.60 and 1,991,286.94

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Solution

The fourth proportional to 3,622,712.40, 4,999,353.60 and 1,991,286.94 is: 2,747,981.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622,712.40 : 4,999,353.60 = 1,991,286.94 : x
  2. Step 2: Convert to fraction form
    3,622,712.40/4,999,353.60 = 1,991,286.94/x
  3. Step 3: Cross multiply
    3,622,712.40x = 4,999,353.60 × 1,991,286.94
  4. Step 4: Simplify right side
    3,622,712.40x = 9,955,147,532,121.98
  5. Step 5: Solve for x
    x = 9,955,147,532,121.98/3,622,712.40
  6. Step 6: Final answer
    x = 2,747,981.74

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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.