Home / 3,210,121.44-4,815,811.80-1,188,380.88

Finding the Fourth Proportional to 3,210,121.44, 4,815,811.80 and 1,188,380.88

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Solution

The fourth proportional to 3,210,121.44, 4,815,811.80 and 1,188,380.88 is: 1,782,804.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210,121.44 : 4,815,811.80 = 1,188,380.88 : x
  2. Step 2: Convert to fraction form
    3,210,121.44/4,815,811.80 = 1,188,380.88/x
  3. Step 3: Cross multiply
    3,210,121.44x = 4,815,811.80 × 1,188,380.88
  4. Step 4: Simplify right side
    3,210,121.44x = 5,723,018,664,798.38
  5. Step 5: Solve for x
    x = 5,723,018,664,798.38/3,210,121.44
  6. Step 6: Final answer
    x = 1,782,804.41

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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.