Finding the Fourth Proportional to 2,526,213.12, 3,789,571.68 and 729,140.16
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Solution
The fourth proportional to 2,526,213.12, 3,789,571.68 and 729,140.16 is: 1,093,782.97
Step by Step Solution
- Step 1: Write the proportion equation
2,526,213.12 : 3,789,571.68 = 729,140.16 : x - Step 2: Convert to fraction form
2,526,213.12/3,789,571.68 = 729,140.16/x - Step 3: Cross multiply
2,526,213.12x = 3,789,571.68 × 729,140.16 - Step 4: Simplify right side
2,526,213.12x = 2,763,128,901,086.67 - Step 5: Solve for x
x = 2,763,128,901,086.67/2,526,213.12 - Step 6: Final answer
x = 1,093,782.97
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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.