Home / 2,786,137.53-4,179,207.17-1,839,286.81

Finding the Fourth Proportional to 2,786,137.53, 4,179,207.17 and 1,839,286.81

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Solution

The fourth proportional to 2,786,137.53, 4,179,207.17 and 1,839,286.81 is: 2,758,930.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786,137.53 : 4,179,207.17 = 1,839,286.81 : x
  2. Step 2: Convert to fraction form
    2,786,137.53/4,179,207.17 = 1,839,286.81/x
  3. Step 3: Cross multiply
    2,786,137.53x = 4,179,207.17 × 1,839,286.81
  4. Step 4: Simplify right side
    2,786,137.53x = 7,686,760,624,038.43
  5. Step 5: Solve for x
    x = 7,686,760,624,038.43/2,786,137.53
  6. Step 6: Final answer
    x = 2,758,930.79

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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.