Finding the Fourth Proportional to 5,790,832.06, 7,991,357.67 and 3,212,512.87
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Solution
The fourth proportional to 5,790,832.06, 7,991,357.67 and 3,212,512.87 is: 4,433,272.99
Step by Step Solution
- Step 1: Write the proportion equation
5,790,832.06 : 7,991,357.67 = 3,212,512.87 : x - Step 2: Convert to fraction form
5,790,832.06/7,991,357.67 = 3,212,512.87/x - Step 3: Cross multiply
5,790,832.06x = 7,991,357.67 × 3,212,512.87 - Step 4: Simplify right side
5,790,832.06x = 25,672,339,363,648.21 - Step 5: Solve for x
x = 25,672,339,363,648.21/5,790,832.06 - Step 6: Final answer
x = 4,433,272.99
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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.