Home / 5,278,768.70-7,914,945.45-2,080,208.30

Finding the Fourth Proportional to 5,278,768.70, 7,914,945.45 and 2,080,208.30

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Solution

The fourth proportional to 5,278,768.70, 7,914,945.45 and 2,080,208.30 is: 3,119,048.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,278,768.70 : 7,914,945.45 = 2,080,208.30 : x
  2. Step 2: Convert to fraction form
    5,278,768.70/7,914,945.45 = 2,080,208.30/x
  3. Step 3: Cross multiply
    5,278,768.70x = 7,914,945.45 × 2,080,208.30
  4. Step 4: Simplify right side
    5,278,768.70x = 16,464,735,219,137.24
  5. Step 5: Solve for x
    x = 16,464,735,219,137.24/5,278,768.70
  6. Step 6: Final answer
    x = 3,119,048.43

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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.