Finding the Fourth Proportional to 3,236,651.62, 4,466,557.26 and 1,786,347.05
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Solution
The fourth proportional to 3,236,651.62, 4,466,557.26 and 1,786,347.05 is: 2,465,146.80
Step by Step Solution
- Step 1: Write the proportion equation
3,236,651.62 : 4,466,557.26 = 1,786,347.05 : x - Step 2: Convert to fraction form
3,236,651.62/4,466,557.26 = 1,786,347.05/x - Step 3: Cross multiply
3,236,651.62x = 4,466,557.26 × 1,786,347.05 - Step 4: Simplify right side
3,236,651.62x = 7,978,821,373,402.82 - Step 5: Solve for x
x = 7,978,821,373,402.82/3,236,651.62 - Step 6: Final answer
x = 2,465,146.80
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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.