Finding the Fourth Proportional to 5,463,621.90, 8,197,729.20 and 2,936,324.70
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Solution
The fourth proportional to 5,463,621.90, 8,197,729.20 and 2,936,324.70 is: 4,405,721.18
Step by Step Solution
- Step 1: Write the proportion equation
5,463,621.90 : 8,197,729.20 = 2,936,324.70 : x - Step 2: Convert to fraction form
5,463,621.90/8,197,729.20 = 2,936,324.70/x - Step 3: Cross multiply
5,463,621.90x = 8,197,729.20 × 2,936,324.70 - Step 4: Simplify right side
5,463,621.90x = 24,071,194,733,871.24 - Step 5: Solve for x
x = 24,071,194,733,871.24/5,463,621.90 - Step 6: Final answer
x = 4,405,721.18
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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.