Home / 5,420,998.80-7,481,212.92-3,245,120.91

Finding the Fourth Proportional to 5,420,998.80, 7,481,212.92 and 3,245,120.91

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Solution

The fourth proportional to 5,420,998.80, 7,481,212.92 and 3,245,120.91 is: 4,478,407.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420,998.80 : 7,481,212.92 = 3,245,120.91 : x
  2. Step 2: Convert to fraction form
    5,420,998.80/7,481,212.92 = 3,245,120.91/x
  3. Step 3: Cross multiply
    5,420,998.80x = 7,481,212.92 × 3,245,120.91
  4. Step 4: Simplify right side
    5,420,998.80x = 24,277,440,478,854.16
  5. Step 5: Solve for x
    x = 24,277,440,478,854.16/5,420,998.80
  6. Step 6: Final answer
    x = 4,478,407.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.