Home / 3,190,872.40-4,394,445.96-3,121,199.44

Finding the Fourth Proportional to 3,190,872.40, 4,394,445.96 and 3,121,199.44

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Solution

The fourth proportional to 3,190,872.40, 4,394,445.96 and 3,121,199.44 is: 4,298,492.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190,872.40 : 4,394,445.96 = 3,121,199.44 : x
  2. Step 2: Convert to fraction form
    3,190,872.40/4,394,445.96 = 3,121,199.44/x
  3. Step 3: Cross multiply
    3,190,872.40x = 4,394,445.96 × 3,121,199.44
  4. Step 4: Simplify right side
    3,190,872.40x = 13,715,942,269,462.26
  5. Step 5: Solve for x
    x = 13,715,942,269,462.26/3,190,872.40
  6. Step 6: Final answer
    x = 4,298,492.87

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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.