Home / 3,122,912.70-4,684,369.05-1,863,200.70

Finding the Fourth Proportional to 3,122,912.70, 4,684,369.05 and 1,863,200.70

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Solution

The fourth proportional to 3,122,912.70, 4,684,369.05 and 1,863,200.70 is: 2,794,801.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122,912.70 : 4,684,369.05 = 1,863,200.70 : x
  2. Step 2: Convert to fraction form
    3,122,912.70/4,684,369.05 = 1,863,200.70/x
  3. Step 3: Cross multiply
    3,122,912.70x = 4,684,369.05 × 1,863,200.70
  4. Step 4: Simplify right side
    3,122,912.70x = 8,727,919,693,018.33
  5. Step 5: Solve for x
    x = 8,727,919,693,018.33/3,122,912.70
  6. Step 6: Final answer
    x = 2,794,801.05

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Similar ratio
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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.