Home / 7,121,826.91-10,682,753.73-1,730,481.89

Finding the Fourth Proportional to 7,121,826.91, 10,682,753.73 and 1,730,481.89

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Solution

The fourth proportional to 7,121,826.91, 10,682,753.73 and 1,730,481.89 is: 2,595,726.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,121,826.91 : 10,682,753.73 = 1,730,481.89 : x
  2. Step 2: Convert to fraction form
    7,121,826.91/10,682,753.73 = 1,730,481.89/x
  3. Step 3: Cross multiply
    7,121,826.91x = 10,682,753.73 × 1,730,481.89
  4. Step 4: Simplify right side
    7,121,826.91x = 18,486,311,856,442.54
  5. Step 5: Solve for x
    x = 18,486,311,856,442.54/7,121,826.91
  6. Step 6: Final answer
    x = 2,595,726.08

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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.