Home / 3,300,121.75-4,950,186.54-903,987.04

Finding the Fourth Proportional to 3,300,121.75, 4,950,186.54 and 903,987.04

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Solution

The fourth proportional to 3,300,121.75, 4,950,186.54 and 903,987.04 is: 1,355,981.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300,121.75 : 4,950,186.54 = 903,987.04 : x
  2. Step 2: Convert to fraction form
    3,300,121.75/4,950,186.54 = 903,987.04/x
  3. Step 3: Cross multiply
    3,300,121.75x = 4,950,186.54 × 903,987.04
  4. Step 4: Simplify right side
    3,300,121.75x = 4,474,904,477,742.44
  5. Step 5: Solve for x
    x = 4,474,904,477,742.44/3,300,121.75
  6. Step 6: Final answer
    x = 1,355,981.63

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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.