Finding the Fourth Proportional to 3,542,912.48, 5,315,212.40 and 1,146,757.60
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Solution
The fourth proportional to 3,542,912.48, 5,315,212.40 and 1,146,757.60 is: 1,720,409.48
Step by Step Solution
- Step 1: Write the proportion equation
3,542,912.48 : 5,315,212.40 = 1,146,757.60 : x - Step 2: Convert to fraction form
3,542,912.48/5,315,212.40 = 1,146,757.60/x - Step 3: Cross multiply
3,542,912.48x = 5,315,212.40 × 1,146,757.60 - Step 4: Simplify right side
3,542,912.48x = 6,095,260,215,314.24 - Step 5: Solve for x
x = 6,095,260,215,314.24/3,542,912.48 - Step 6: Final answer
x = 1,720,409.48
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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.