Home / 2,072,648.20-3,111,305.10-1,601,422.60

Finding the Fourth Proportional to 2,072,648.20, 3,111,305.10 and 1,601,422.60

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Solution

The fourth proportional to 2,072,648.20, 3,111,305.10 and 1,601,422.60 is: 2,403,936.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,648.20 : 3,111,305.10 = 1,601,422.60 : x
  2. Step 2: Convert to fraction form
    2,072,648.20/3,111,305.10 = 1,601,422.60/x
  3. Step 3: Cross multiply
    2,072,648.20x = 3,111,305.10 × 1,601,422.60
  4. Step 4: Simplify right side
    2,072,648.20x = 4,982,514,302,635.26
  5. Step 5: Solve for x
    x = 4,982,514,302,635.26/2,072,648.20
  6. Step 6: Final answer
    x = 2,403,936.33

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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.