Home / 2,215,189.67-3,057,239.84-1,297,768.82

Finding the Fourth Proportional to 2,215,189.67, 3,057,239.84 and 1,297,768.82

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Solution

The fourth proportional to 2,215,189.67, 3,057,239.84 and 1,297,768.82 is: 1,791,083.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,189.67 : 3,057,239.84 = 1,297,768.82 : x
  2. Step 2: Convert to fraction form
    2,215,189.67/3,057,239.84 = 1,297,768.82/x
  3. Step 3: Cross multiply
    2,215,189.67x = 3,057,239.84 × 1,297,768.82
  4. Step 4: Simplify right side
    2,215,189.67x = 3,967,590,517,838.75
  5. Step 5: Solve for x
    x = 3,967,590,517,838.75/2,215,189.67
  6. Step 6: Final answer
    x = 1,791,083.89

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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.