Home / 5,081,793.78-7,621,074.04-1,669,288.66

Finding the Fourth Proportional to 5,081,793.78, 7,621,074.04 and 1,669,288.66

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Solution

The fourth proportional to 5,081,793.78, 7,621,074.04 and 1,669,288.66 is: 2,503,401.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081,793.78 : 7,621,074.04 = 1,669,288.66 : x
  2. Step 2: Convert to fraction form
    5,081,793.78/7,621,074.04 = 1,669,288.66/x
  3. Step 3: Cross multiply
    5,081,793.78x = 7,621,074.04 × 1,669,288.66
  4. Step 4: Simplify right side
    5,081,793.78x = 12,721,772,471,992.39
  5. Step 5: Solve for x
    x = 12,721,772,471,992.39/5,081,793.78
  6. Step 6: Final answer
    x = 2,503,401.95

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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.