Finding the Fourth Proportional to 5,197,794.24, 7,172,591.88 and 3,022,183.02
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Solution
The fourth proportional to 5,197,794.24, 7,172,591.88 and 3,022,183.02 is: 4,170,400.83
Step by Step Solution
- Step 1: Write the proportion equation
5,197,794.24 : 7,172,591.88 = 3,022,183.02 : x - Step 2: Convert to fraction form
5,197,794.24/7,172,591.88 = 3,022,183.02/x - Step 3: Cross multiply
5,197,794.24x = 7,172,591.88 × 3,022,183.02 - Step 4: Simplify right side
5,197,794.24x = 21,676,885,389,125.88 - Step 5: Solve for x
x = 21,676,885,389,125.88/5,197,794.24 - Step 6: Final answer
x = 4,170,400.83
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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.