Home / 3,318,219.12-4,978,116-1,074,357.12

Finding the Fourth Proportional to 3,318,219.12, 4,978,116 and 1,074,357.12

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Solution

The fourth proportional to 3,318,219.12, 4,978,116 and 1,074,357.12 is: 1,611,790.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318,219.12 : 4,978,116 = 1,074,357.12 : x
  2. Step 2: Convert to fraction form
    3,318,219.12/4,978,116 = 1,074,357.12/x
  3. Step 3: Cross multiply
    3,318,219.12x = 4,978,116 × 1,074,357.12
  4. Step 4: Simplify right side
    3,318,219.12x = 5,348,274,368,785.92
  5. Step 5: Solve for x
    x = 5,348,274,368,785.92/3,318,219.12
  6. Step 6: Final answer
    x = 1,611,790.59

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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.