Home / 3,612,449.94-5,421,923.55-1,930,990.74

Finding the Fourth Proportional to 3,612,449.94, 5,421,923.55 and 1,930,990.74

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Solution

The fourth proportional to 3,612,449.94, 5,421,923.55 and 1,930,990.74 is: 2,898,222.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612,449.94 : 5,421,923.55 = 1,930,990.74 : x
  2. Step 2: Convert to fraction form
    3,612,449.94/5,421,923.55 = 1,930,990.74/x
  3. Step 3: Cross multiply
    3,612,449.94x = 5,421,923.55 × 1,930,990.74
  4. Step 4: Simplify right side
    3,612,449.94x = 10,469,684,168,037.93
  5. Step 5: Solve for x
    x = 10,469,684,168,037.93/3,612,449.94
  6. Step 6: Final answer
    x = 2,898,222.63

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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.