Home / 3,940,215.49-5,910,658.58-1,243,819.45

Finding the Fourth Proportional to 3,940,215.49, 5,910,658.58 and 1,243,819.45

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Solution

The fourth proportional to 3,940,215.49, 5,910,658.58 and 1,243,819.45 is: 1,865,835.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940,215.49 : 5,910,658.58 = 1,243,819.45 : x
  2. Step 2: Convert to fraction form
    3,940,215.49/5,910,658.58 = 1,243,819.45/x
  3. Step 3: Cross multiply
    3,940,215.49x = 5,910,658.58 × 1,243,819.45
  4. Step 4: Simplify right side
    3,940,215.49x = 7,351,792,104,113.38
  5. Step 5: Solve for x
    x = 7,351,792,104,113.38/3,940,215.49
  6. Step 6: Final answer
    x = 1,865,835.03

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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.