Finding the Fourth Proportional to 5,702,932.27, 7,869,745.60 and 3,255,445.99
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Solution
The fourth proportional to 5,702,932.27, 7,869,745.60 and 3,255,445.99 is: 4,492,343.69
Step by Step Solution
- Step 1: Write the proportion equation
5,702,932.27 : 7,869,745.60 = 3,255,445.99 : x - Step 2: Convert to fraction form
5,702,932.27/7,869,745.60 = 3,255,445.99/x - Step 3: Cross multiply
5,702,932.27x = 7,869,745.60 × 3,255,445.99 - Step 4: Simplify right side
5,702,932.27x = 25,619,531,775,850.59 - Step 5: Solve for x
x = 25,619,531,775,850.59/5,702,932.27 - Step 6: Final answer
x = 4,492,343.69
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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.