Home / 6,405,381-9,609,441.66-2,361,879.72

Finding the Fourth Proportional to 6,405,381, 9,609,441.66 and 2,361,879.72

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Solution

The fourth proportional to 6,405,381, 9,609,441.66 and 2,361,879.72 is: 3,543,324.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,405,381 : 9,609,441.66 = 2,361,879.72 : x
  2. Step 2: Convert to fraction form
    6,405,381/9,609,441.66 = 2,361,879.72/x
  3. Step 3: Cross multiply
    6,405,381x = 9,609,441.66 × 2,361,879.72
  4. Step 4: Simplify right side
    6,405,381x = 22,696,345,377,277.14
  5. Step 5: Solve for x
    x = 22,696,345,377,277.14/6,405,381
  6. Step 6: Final answer
    x = 3,543,324.80

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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.