Finding the Fourth Proportional to 3,327,633.21, 4,991,449.82 and 1,083,771.21
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Solution
The fourth proportional to 3,327,633.21, 4,991,449.82 and 1,083,771.21 is: 1,625,656.82
Step by Step Solution
- Step 1: Write the proportion equation
3,327,633.21 : 4,991,449.82 = 1,083,771.21 : x - Step 2: Convert to fraction form
3,327,633.21/4,991,449.82 = 1,083,771.21/x - Step 3: Cross multiply
3,327,633.21x = 4,991,449.82 × 1,083,771.21 - Step 4: Simplify right side
3,327,633.21x = 5,409,589,611,075.68 - Step 5: Solve for x
x = 5,409,589,611,075.68/3,327,633.21 - Step 6: Final answer
x = 1,625,656.82
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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.