Finding the Fourth Proportional to 5,470,596.91, 8,198,560.41 and 4,257,638.22
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Solution
The fourth proportional to 5,470,596.91, 8,198,560.41 and 4,257,638.22 is: 6,380,748.71
Step by Step Solution
- Step 1: Write the proportion equation
5,470,596.91 : 8,198,560.41 = 4,257,638.22 : x - Step 2: Convert to fraction form
5,470,596.91/8,198,560.41 = 4,257,638.22/x - Step 3: Cross multiply
5,470,596.91x = 8,198,560.41 × 4,257,638.22 - Step 4: Simplify right side
5,470,596.91x = 34,906,504,150,594.87 - Step 5: Solve for x
x = 34,906,504,150,594.87/5,470,596.91 - Step 6: Final answer
x = 6,380,748.71
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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.