Home / 2,215,388.48-3,322,787.40-617,817.78

Finding the Fourth Proportional to 2,215,388.48, 3,322,787.40 and 617,817.78

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Solution

The fourth proportional to 2,215,388.48, 3,322,787.40 and 617,817.78 is: 926,644.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,388.48 : 3,322,787.40 = 617,817.78 : x
  2. Step 2: Convert to fraction form
    2,215,388.48/3,322,787.40 = 617,817.78/x
  3. Step 3: Cross multiply
    2,215,388.48x = 3,322,787.40 × 617,817.78
  4. Step 4: Simplify right side
    2,215,388.48x = 2,052,877,134,879.97
  5. Step 5: Solve for x
    x = 2,052,877,134,879.97/2,215,388.48
  6. Step 6: Final answer
    x = 926,644.31

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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.