Home / 3,300,121.50-4,950,186.17-903,986.79

Finding the Fourth Proportional to 3,300,121.50, 4,950,186.17 and 903,986.79

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Solution

The fourth proportional to 3,300,121.50, 4,950,186.17 and 903,986.79 is: 1,355,981.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300,121.50 : 4,950,186.17 = 903,986.79 : x
  2. Step 2: Convert to fraction form
    3,300,121.50/4,950,186.17 = 903,986.79/x
  3. Step 3: Cross multiply
    3,300,121.50x = 4,950,186.17 × 903,986.79
  4. Step 4: Simplify right side
    3,300,121.50x = 4,474,902,901,200.76
  5. Step 5: Solve for x
    x = 4,474,902,901,200.76/3,300,121.50
  6. Step 6: Final answer
    x = 1,355,981.26

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1.5x scale

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.