Home / 2,815,008.21-4,222,512.72-685,092.33

Finding the Fourth Proportional to 2,815,008.21, 4,222,512.72 and 685,092.33

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Solution

The fourth proportional to 2,815,008.21, 4,222,512.72 and 685,092.33 is: 1,027,638.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,008.21 : 4,222,512.72 = 685,092.33 : x
  2. Step 2: Convert to fraction form
    2,815,008.21/4,222,512.72 = 685,092.33/x
  3. Step 3: Cross multiply
    2,815,008.21x = 4,222,512.72 × 685,092.33
  4. Step 4: Simplify right side
    2,815,008.21x = 2,892,811,077,799.44
  5. Step 5: Solve for x
    x = 2,892,811,077,799.44/2,815,008.21
  6. Step 6: Final answer
    x = 1,027,638.59

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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.