Home / 2,810,835.54-3,878,961.82-1,521,672.89

Finding the Fourth Proportional to 2,810,835.54, 3,878,961.82 and 1,521,672.89

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Solution

The fourth proportional to 2,810,835.54, 3,878,961.82 and 1,521,672.89 is: 2,099,913.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,835.54 : 3,878,961.82 = 1,521,672.89 : x
  2. Step 2: Convert to fraction form
    2,810,835.54/3,878,961.82 = 1,521,672.89/x
  3. Step 3: Cross multiply
    2,810,835.54x = 3,878,961.82 × 1,521,672.89
  4. Step 4: Simplify right side
    2,810,835.54x = 5,902,511,019,640.07
  5. Step 5: Solve for x
    x = 5,902,511,019,640.07/2,810,835.54
  6. Step 6: Final answer
    x = 2,099,913.33

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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.