Finding the Fourth Proportional to 5,493,145.50, 7,580,631.96 and 3,045,859.74
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Solution
The fourth proportional to 5,493,145.50, 7,580,631.96 and 3,045,859.74 is: 4,203,336.99
Step by Step Solution
- Step 1: Write the proportion equation
5,493,145.50 : 7,580,631.96 = 3,045,859.74 : x - Step 2: Convert to fraction form
5,493,145.50/7,580,631.96 = 3,045,859.74/x - Step 3: Cross multiply
5,493,145.50x = 7,580,631.96 × 3,045,859.74 - Step 4: Simplify right side
5,493,145.50x = 23,089,541,690,721.29 - Step 5: Solve for x
x = 23,089,541,690,721.29/5,493,145.50 - Step 6: Final answer
x = 4,203,336.99
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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.