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Finding the Fourth Proportional to 3,092,787.22, 4,639,029.92 and 1,147,894.22

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Solution

The fourth proportional to 3,092,787.22, 4,639,029.92 and 1,147,894.22 is: 1,721,785.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,092,787.22 : 4,639,029.92 = 1,147,894.22 : x
  2. Step 2: Convert to fraction form
    3,092,787.22/4,639,029.92 = 1,147,894.22/x
  3. Step 3: Cross multiply
    3,092,787.22x = 4,639,029.92 × 1,147,894.22
  4. Step 4: Simplify right side
    3,092,787.22x = 5,325,115,631,575.06
  5. Step 5: Solve for x
    x = 5,325,115,631,575.06/3,092,787.22
  6. Step 6: Final answer
    x = 1,721,785.32

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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.