Home / 2,191,723.44-3,024,568.26-1,224,853.20

Finding the Fourth Proportional to 2,191,723.44, 3,024,568.26 and 1,224,853.20

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Solution

The fourth proportional to 2,191,723.44, 3,024,568.26 and 1,224,853.20 is: 1,690,291.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,723.44 : 3,024,568.26 = 1,224,853.20 : x
  2. Step 2: Convert to fraction form
    2,191,723.44/3,024,568.26 = 1,224,853.20/x
  3. Step 3: Cross multiply
    2,191,723.44x = 3,024,568.26 × 1,224,853.20
  4. Step 4: Simplify right side
    2,191,723.44x = 3,704,652,111,879.43
  5. Step 5: Solve for x
    x = 3,704,652,111,879.43/2,191,723.44
  6. Step 6: Final answer
    x = 1,690,291.78

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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.