Home / 2,789,342.82-3,844,926.09-1,821,988.98

Finding the Fourth Proportional to 2,789,342.82, 3,844,926.09 and 1,821,988.98

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Solution

The fourth proportional to 2,789,342.82, 3,844,926.09 and 1,821,988.98 is: 2,511,492.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789,342.82 : 3,844,926.09 = 1,821,988.98 : x
  2. Step 2: Convert to fraction form
    2,789,342.82/3,844,926.09 = 1,821,988.98/x
  3. Step 3: Cross multiply
    2,789,342.82x = 3,844,926.09 × 1,821,988.98
  4. Step 4: Simplify right side
    2,789,342.82x = 7,005,412,964,894.49
  5. Step 5: Solve for x
    x = 7,005,412,964,894.49/2,789,342.82
  6. Step 6: Final answer
    x = 2,511,492.28

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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.