Home / 3,860,721.75-5,328,268.52-2,229,126.37

Finding the Fourth Proportional to 3,860,721.75, 5,328,268.52 and 2,229,126.37

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Solution

The fourth proportional to 3,860,721.75, 5,328,268.52 and 2,229,126.37 is: 3,076,467.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860,721.75 : 5,328,268.52 = 2,229,126.37 : x
  2. Step 2: Convert to fraction form
    3,860,721.75/5,328,268.52 = 2,229,126.37/x
  3. Step 3: Cross multiply
    3,860,721.75x = 5,328,268.52 × 2,229,126.37
  4. Step 4: Simplify right side
    3,860,721.75x = 11,877,383,864,372.87
  5. Step 5: Solve for x
    x = 11,877,383,864,372.87/3,860,721.75
  6. Step 6: Final answer
    x = 3,076,467.21

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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.