Home / 3,783,791.25-5,672,312.06-1,387,076.36

Finding the Fourth Proportional to 3,783,791.25, 5,672,312.06 and 1,387,076.36

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Solution

The fourth proportional to 3,783,791.25, 5,672,312.06 and 1,387,076.36 is: 2,079,377.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783,791.25 : 5,672,312.06 = 1,387,076.36 : x
  2. Step 2: Convert to fraction form
    3,783,791.25/5,672,312.06 = 1,387,076.36/x
  3. Step 3: Cross multiply
    3,783,791.25x = 5,672,312.06 × 1,387,076.36
  4. Step 4: Simplify right side
    3,783,791.25x = 7,867,929,929,671.96
  5. Step 5: Solve for x
    x = 7,867,929,929,671.96/3,783,791.25
  6. Step 6: Final answer
    x = 2,079,377.38

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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.