Home / 2,668,539.72-4,003,695.31-871,481.82

Finding the Fourth Proportional to 2,668,539.72, 4,003,695.31 and 871,481.82

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Solution

The fourth proportional to 2,668,539.72, 4,003,695.31 and 871,481.82 is: 1,307,511.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668,539.72 : 4,003,695.31 = 871,481.82 : x
  2. Step 2: Convert to fraction form
    2,668,539.72/4,003,695.31 = 871,481.82/x
  3. Step 3: Cross multiply
    2,668,539.72x = 4,003,695.31 × 871,481.82
  4. Step 4: Simplify right side
    2,668,539.72x = 3,489,147,655,465.79
  5. Step 5: Solve for x
    x = 3,489,147,655,465.79/2,668,539.72
  6. Step 6: Final answer
    x = 1,307,511.98

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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.