Finding the Fourth Proportional to 5,529,114.45, 7,630,213.37 and 3,081,880.68
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Solution
The fourth proportional to 5,529,114.45, 7,630,213.37 and 3,081,880.68 is: 4,253,015.07
Step by Step Solution
- Step 1: Write the proportion equation
5,529,114.45 : 7,630,213.37 = 3,081,880.68 : x - Step 2: Convert to fraction form
5,529,114.45/7,630,213.37 = 3,081,880.68/x - Step 3: Cross multiply
5,529,114.45x = 7,630,213.37 × 3,081,880.68 - Step 4: Simplify right side
5,529,114.45x = 23,515,407,117,211.17 - Step 5: Solve for x
x = 23,515,407,117,211.17/5,529,114.45 - Step 6: Final answer
x = 4,253,015.07
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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.