Home / 1,928,422.66-2,661,494.40-1,193,612.64

Finding the Fourth Proportional to 1,928,422.66, 2,661,494.40 and 1,193,612.64

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Solution

The fourth proportional to 1,928,422.66, 2,661,494.40 and 1,193,612.64 is: 1,647,353.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,422.66 : 2,661,494.40 = 1,193,612.64 : x
  2. Step 2: Convert to fraction form
    1,928,422.66/2,661,494.40 = 1,193,612.64/x
  3. Step 3: Cross multiply
    1,928,422.66x = 2,661,494.40 × 1,193,612.64
  4. Step 4: Simplify right side
    1,928,422.66x = 3,176,793,357,129.22
  5. Step 5: Solve for x
    x = 3,176,793,357,129.22/1,928,422.66
  6. Step 6: Final answer
    x = 1,647,353.26

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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.