Home / 1,986,422.24-2,741,324.88-1,127,018.72

Finding the Fourth Proportional to 1,986,422.24, 2,741,324.88 and 1,127,018.72

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Solution

The fourth proportional to 1,986,422.24, 2,741,324.88 and 1,127,018.72 is: 1,555,321.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,422.24 : 2,741,324.88 = 1,127,018.72 : x
  2. Step 2: Convert to fraction form
    1,986,422.24/2,741,324.88 = 1,127,018.72/x
  3. Step 3: Cross multiply
    1,986,422.24x = 2,741,324.88 × 1,127,018.72
  4. Step 4: Simplify right side
    1,986,422.24x = 3,089,524,457,361.75
  5. Step 5: Solve for x
    x = 3,089,524,457,361.75/1,986,422.24
  6. Step 6: Final answer
    x = 1,555,321.12

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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.