Home / 3,945,284.48-5,444,438.82-2,202,980.78

Finding the Fourth Proportional to 3,945,284.48, 5,444,438.82 and 2,202,980.78

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Solution

The fourth proportional to 3,945,284.48, 5,444,438.82 and 2,202,980.78 is: 3,040,083.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945,284.48 : 5,444,438.82 = 2,202,980.78 : x
  2. Step 2: Convert to fraction form
    3,945,284.48/5,444,438.82 = 2,202,980.78/x
  3. Step 3: Cross multiply
    3,945,284.48x = 5,444,438.82 × 2,202,980.78
  4. Step 4: Simplify right side
    3,945,284.48x = 11,993,994,078,345.88
  5. Step 5: Solve for x
    x = 11,993,994,078,345.88/3,945,284.48
  6. Step 6: Final answer
    x = 3,040,083.46

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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.