Home / 3,992,096.32-5,509,028.64-2,181,221.44

Finding the Fourth Proportional to 3,992,096.32, 5,509,028.64 and 2,181,221.44

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Solution

The fourth proportional to 3,992,096.32, 5,509,028.64 and 2,181,221.44 is: 3,010,050.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992,096.32 : 5,509,028.64 = 2,181,221.44 : x
  2. Step 2: Convert to fraction form
    3,992,096.32/5,509,028.64 = 2,181,221.44/x
  3. Step 3: Cross multiply
    3,992,096.32x = 5,509,028.64 × 2,181,221.44
  4. Step 4: Simplify right side
    3,992,096.32x = 12,016,411,383,142.04
  5. Step 5: Solve for x
    x = 12,016,411,383,142.04/3,992,096.32
  6. Step 6: Final answer
    x = 3,010,050.46

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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.