Home / 3,611,491.14-4,983,749.78-1,979,842.71

Finding the Fourth Proportional to 3,611,491.14, 4,983,749.78 and 1,979,842.71

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Solution

The fourth proportional to 3,611,491.14, 4,983,749.78 and 1,979,842.71 is: 2,732,123.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611,491.14 : 4,983,749.78 = 1,979,842.71 : x
  2. Step 2: Convert to fraction form
    3,611,491.14/4,983,749.78 = 1,979,842.71/x
  3. Step 3: Cross multiply
    3,611,491.14x = 4,983,749.78 × 1,979,842.71
  4. Step 4: Simplify right side
    3,611,491.14x = 9,867,040,660,497.89
  5. Step 5: Solve for x
    x = 9,867,040,660,497.89/3,611,491.14
  6. Step 6: Final answer
    x = 2,732,123.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.