Finding the Fourth Proportional to 5,451,682.20, 8,177,450.40 and 1,665,183.30
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Solution
The fourth proportional to 5,451,682.20, 8,177,450.40 and 1,665,183.30 is: 2,497,752.68
Step by Step Solution
- Step 1: Write the proportion equation
5,451,682.20 : 8,177,450.40 = 1,665,183.30 : x - Step 2: Convert to fraction form
5,451,682.20/8,177,450.40 = 1,665,183.30/x - Step 3: Cross multiply
5,451,682.20x = 8,177,450.40 × 1,665,183.30 - Step 4: Simplify right side
5,451,682.20x = 13,616,953,842,658.32 - Step 5: Solve for x
x = 13,616,953,842,658.32/5,451,682.20 - Step 6: Final answer
x = 2,497,752.68
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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.