Home / 3,432,241.50-4,719,697.11-2,978,745.18

Finding the Fourth Proportional to 3,432,241.50, 4,719,697.11 and 2,978,745.18

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Solution

The fourth proportional to 3,432,241.50, 4,719,697.11 and 2,978,745.18 is: 4,096,091.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432,241.50 : 4,719,697.11 = 2,978,745.18 : x
  2. Step 2: Convert to fraction form
    3,432,241.50/4,719,697.11 = 2,978,745.18/x
  3. Step 3: Cross multiply
    3,432,241.50x = 4,719,697.11 × 2,978,745.18
  4. Step 4: Simplify right side
    3,432,241.50x = 14,058,775,017,472.43
  5. Step 5: Solve for x
    x = 14,058,775,017,472.43/3,432,241.50
  6. Step 6: Final answer
    x = 4,096,091.44

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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.