Home / 2,786,042.80-4,179,065.12-1,839,192.09

Finding the Fourth Proportional to 2,786,042.80, 4,179,065.12 and 1,839,192.09

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Solution

The fourth proportional to 2,786,042.80, 4,179,065.12 and 1,839,192.09 is: 2,758,788.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786,042.80 : 4,179,065.12 = 1,839,192.09 : x
  2. Step 2: Convert to fraction form
    2,786,042.80/4,179,065.12 = 1,839,192.09/x
  3. Step 3: Cross multiply
    2,786,042.80x = 4,179,065.12 × 1,839,192.09
  4. Step 4: Simplify right side
    2,786,042.80x = 7,686,103,494,328.42
  5. Step 5: Solve for x
    x = 7,686,103,494,328.42/2,786,042.80
  6. Step 6: Final answer
    x = 2,758,788.73

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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.