Home / 3,181,121.44-4,770,207.60-1,186,041.76

Finding the Fourth Proportional to 3,181,121.44, 4,770,207.60 and 1,186,041.76

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Solution

The fourth proportional to 3,181,121.44, 4,770,207.60 and 1,186,041.76 is: 1,778,512.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181,121.44 : 4,770,207.60 = 1,186,041.76 : x
  2. Step 2: Convert to fraction form
    3,181,121.44/4,770,207.60 = 1,186,041.76/x
  3. Step 3: Cross multiply
    3,181,121.44x = 4,770,207.60 × 1,186,041.76
  4. Step 4: Simplify right side
    3,181,121.44x = 5,657,665,417,469.38
  5. Step 5: Solve for x
    x = 5,657,665,417,469.38/3,181,121.44
  6. Step 6: Final answer
    x = 1,778,512.87

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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.