Home / 4,138,074.94-6,203,086.70-1,978,538.80

Finding the Fourth Proportional to 4,138,074.94, 6,203,086.70 and 1,978,538.80

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Solution

The fourth proportional to 4,138,074.94, 6,203,086.70 and 1,978,538.80 is: 2,965,883.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138,074.94 : 6,203,086.70 = 1,978,538.80 : x
  2. Step 2: Convert to fraction form
    4,138,074.94/6,203,086.70 = 1,978,538.80/x
  3. Step 3: Cross multiply
    4,138,074.94x = 6,203,086.70 × 1,978,538.80
  4. Step 4: Simplify right side
    4,138,074.94x = 12,273,047,715,713.96
  5. Step 5: Solve for x
    x = 12,273,047,715,713.96/4,138,074.94
  6. Step 6: Final answer
    x = 2,965,883.39

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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.