Finding the Fourth Proportional to 4,110,910.70, 5,672,912.02 and 2,275,372.54
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Solution
The fourth proportional to 4,110,910.70, 5,672,912.02 and 2,275,372.54 is: 3,139,933.99
Step by Step Solution
- Step 1: Write the proportion equation
4,110,910.70 : 5,672,912.02 = 2,275,372.54 : x - Step 2: Convert to fraction form
4,110,910.70/5,672,912.02 = 2,275,372.54/x - Step 3: Cross multiply
4,110,910.70x = 5,672,912.02 × 2,275,372.54 - Step 4: Simplify right side
4,110,910.70x = 12,907,988,232,143.93 - Step 5: Solve for x
x = 12,907,988,232,143.93/4,110,910.70 - Step 6: Final answer
x = 3,139,933.99
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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.