Home / 2,191,392.66-3,024,422.20-1,261,081.26

Finding the Fourth Proportional to 2,191,392.66, 3,024,422.20 and 1,261,081.26

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Solution

The fourth proportional to 2,191,392.66, 3,024,422.20 and 1,261,081.26 is: 1,740,464.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,392.66 : 3,024,422.20 = 1,261,081.26 : x
  2. Step 2: Convert to fraction form
    2,191,392.66/3,024,422.20 = 1,261,081.26/x
  3. Step 3: Cross multiply
    2,191,392.66x = 3,024,422.20 × 1,261,081.26
  4. Step 4: Simplify right side
    2,191,392.66x = 3,814,042,158,747.97
  5. Step 5: Solve for x
    x = 3,814,042,158,747.97/2,191,392.66
  6. Step 6: Final answer
    x = 1,740,464.97

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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.