Home / 3,318,213.12-4,978,107-1,074,351.12

Finding the Fourth Proportional to 3,318,213.12, 4,978,107 and 1,074,351.12

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Solution

The fourth proportional to 3,318,213.12, 4,978,107 and 1,074,351.12 is: 1,611,781.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318,213.12 : 4,978,107 = 1,074,351.12 : x
  2. Step 2: Convert to fraction form
    3,318,213.12/4,978,107 = 1,074,351.12/x
  3. Step 3: Cross multiply
    3,318,213.12x = 4,978,107 × 1,074,351.12
  4. Step 4: Simplify right side
    3,318,213.12x = 5,348,234,830,929.84
  5. Step 5: Solve for x
    x = 5,348,234,830,929.84/3,318,213.12
  6. Step 6: Final answer
    x = 1,611,781.59

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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.