Finding the Fourth Proportional to 3,671,942.48, 5,471,007.70 and 3,465,672.96
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Solution
The fourth proportional to 3,671,942.48, 5,471,007.70 and 3,465,672.96 is: 5,163,676.60
Step by Step Solution
- Step 1: Write the proportion equation
3,671,942.48 : 5,471,007.70 = 3,465,672.96 : x - Step 2: Convert to fraction form
3,671,942.48/5,471,007.70 = 3,465,672.96/x - Step 3: Cross multiply
3,671,942.48x = 5,471,007.70 × 3,465,672.96 - Step 4: Simplify right side
3,671,942.48x = 18,960,723,449,841.79 - Step 5: Solve for x
x = 18,960,723,449,841.79/3,671,942.48 - Step 6: Final answer
x = 5,163,676.60
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.