Home / 2,719,939.20-4,080,297.60-922,905.60

Finding the Fourth Proportional to 2,719,939.20, 4,080,297.60 and 922,905.60

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Solution

The fourth proportional to 2,719,939.20, 4,080,297.60 and 922,905.60 is: 1,384,490.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719,939.20 : 4,080,297.60 = 922,905.60 : x
  2. Step 2: Convert to fraction form
    2,719,939.20/4,080,297.60 = 922,905.60/x
  3. Step 3: Cross multiply
    2,719,939.20x = 4,080,297.60 × 922,905.60
  4. Step 4: Simplify right side
    2,719,939.20x = 3,765,729,504,706.56
  5. Step 5: Solve for x
    x = 3,765,729,504,706.56/2,719,939.20
  6. Step 6: Final answer
    x = 1,384,490.32

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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.