Finding the Fourth Proportional to 5,160,694.44, 7,741,974.96 and 2,126,372.26
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Solution
The fourth proportional to 5,160,694.44, 7,741,974.96 and 2,126,372.26 is: 3,189,942.94
Step by Step Solution
- Step 1: Write the proportion equation
5,160,694.44 : 7,741,974.96 = 2,126,372.26 : x - Step 2: Convert to fraction form
5,160,694.44/7,741,974.96 = 2,126,372.26/x - Step 3: Cross multiply
5,160,694.44x = 7,741,974.96 × 2,126,372.26 - Step 4: Simplify right side
5,160,694.44x = 16,462,320,792,558.61 - Step 5: Solve for x
x = 16,462,320,792,558.61/5,160,694.44 - Step 6: Final answer
x = 3,189,942.94
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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.