Finding the Fourth Proportional to 1,581,738.70, 2,372,608.05 and 728,808.70
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Solution
The fourth proportional to 1,581,738.70, 2,372,608.05 and 728,808.70 is: 1,093,213.05
Step by Step Solution
- Step 1: Write the proportion equation
1,581,738.70 : 2,372,608.05 = 728,808.70 : x - Step 2: Convert to fraction form
1,581,738.70/2,372,608.05 = 728,808.70/x - Step 3: Cross multiply
1,581,738.70x = 2,372,608.05 × 728,808.70 - Step 4: Simplify right side
1,581,738.70x = 1,729,177,388,530.03 - Step 5: Solve for x
x = 1,729,177,388,530.03/1,581,738.70 - Step 6: Final answer
x = 1,093,213.05
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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.