Home / 2,261,331.20-3,389,888.64-764,376.32

Finding the Fourth Proportional to 2,261,331.20, 3,389,888.64 and 764,376.32

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Solution

The fourth proportional to 2,261,331.20, 3,389,888.64 and 764,376.32 is: 1,145,851.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261,331.20 : 3,389,888.64 = 764,376.32 : x
  2. Step 2: Convert to fraction form
    2,261,331.20/3,389,888.64 = 764,376.32/x
  3. Step 3: Cross multiply
    2,261,331.20x = 3,389,888.64 × 764,376.32
  4. Step 4: Simplify right side
    2,261,331.20x = 2,591,150,603,853.01
  5. Step 5: Solve for x
    x = 2,591,150,603,853.01/2,261,331.20
  6. Step 6: Final answer
    x = 1,145,851.88

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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.