Home / 3,961,969.75-5,467,653.42-2,219,712.61

Finding the Fourth Proportional to 3,961,969.75, 5,467,653.42 and 2,219,712.61

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Solution

The fourth proportional to 3,961,969.75, 5,467,653.42 and 2,219,712.61 is: 3,063,279.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961,969.75 : 5,467,653.42 = 2,219,712.61 : x
  2. Step 2: Convert to fraction form
    3,961,969.75/5,467,653.42 = 2,219,712.61/x
  3. Step 3: Cross multiply
    3,961,969.75x = 5,467,653.42 × 2,219,712.61
  4. Step 4: Simplify right side
    3,961,969.75x = 12,136,619,243,483.62
  5. Step 5: Solve for x
    x = 12,136,619,243,483.62/3,961,969.75
  6. Step 6: Final answer
    x = 3,063,279.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.