Home / 2,279,849.49-3,420,715.83-999,794.34

Finding the Fourth Proportional to 2,279,849.49, 3,420,715.83 and 999,794.34

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Solution

The fourth proportional to 2,279,849.49, 3,420,715.83 and 999,794.34 is: 1,500,104.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279,849.49 : 3,420,715.83 = 999,794.34 : x
  2. Step 2: Convert to fraction form
    2,279,849.49/3,420,715.83 = 999,794.34/x
  3. Step 3: Cross multiply
    2,279,849.49x = 3,420,715.83 × 999,794.34
  4. Step 4: Simplify right side
    2,279,849.49x = 3,420,012,325,582.40
  5. Step 5: Solve for x
    x = 3,420,012,325,582.40/2,279,849.49
  6. Step 6: Final answer
    x = 1,500,104.43

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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.