Finding the Fourth Proportional to 5,446,912.40, 8,170,368.60 and 3,321,148.40
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Solution
The fourth proportional to 5,446,912.40, 8,170,368.60 and 3,321,148.40 is: 4,981,722.60
Step by Step Solution
- Step 1: Write the proportion equation
5,446,912.40 : 8,170,368.60 = 3,321,148.40 : x - Step 2: Convert to fraction form
5,446,912.40/8,170,368.60 = 3,321,148.40/x - Step 3: Cross multiply
5,446,912.40x = 8,170,368.60 × 3,321,148.40 - Step 4: Simplify right side
5,446,912.40x = 27,135,006,603,300.24 - Step 5: Solve for x
x = 27,135,006,603,300.24/5,446,912.40 - Step 6: Final answer
x = 4,981,722.60
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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.