Finding the Fourth Proportional to 5,794,230.80, 8,691,346.20 and 5,253,021.20
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Solution
The fourth proportional to 5,794,230.80, 8,691,346.20 and 5,253,021.20 is: 7,879,531.80
Step by Step Solution
- Step 1: Write the proportion equation
5,794,230.80 : 8,691,346.20 = 5,253,021.20 : x - Step 2: Convert to fraction form
5,794,230.80/8,691,346.20 = 5,253,021.20/x - Step 3: Cross multiply
5,794,230.80x = 8,691,346.20 × 5,253,021.20 - Step 4: Simplify right side
5,794,230.80x = 45,655,825,845,139.44 - Step 5: Solve for x
x = 45,655,825,845,139.44/5,794,230.80 - Step 6: Final answer
x = 7,879,531.80
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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.