Finding the Fourth Proportional to 5,470,581.46, 8,198,537.18 and 4,257,622.76
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Solution
The fourth proportional to 5,470,581.46, 8,198,537.18 and 4,257,622.76 is: 6,380,725.48
Step by Step Solution
- Step 1: Write the proportion equation
5,470,581.46 : 8,198,537.18 = 4,257,622.76 : x - Step 2: Convert to fraction form
5,470,581.46/8,198,537.18 = 4,257,622.76/x - Step 3: Cross multiply
5,470,581.46x = 8,198,537.18 × 4,257,622.76 - Step 4: Simplify right side
5,470,581.46x = 34,906,278,496,274.21 - Step 5: Solve for x
x = 34,906,278,496,274.21/5,470,581.46 - Step 6: Final answer
x = 6,380,725.48
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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.