Finding the Fourth Proportional to 2,112,715.62, 3,169,040.67 and 850,512.42
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Solution
The fourth proportional to 2,112,715.62, 3,169,040.67 and 850,512.42 is: 1,275,755.44
Step by Step Solution
- Step 1: Write the proportion equation
2,112,715.62 : 3,169,040.67 = 850,512.42 : x - Step 2: Convert to fraction form
2,112,715.62/3,169,040.67 = 850,512.42/x - Step 3: Cross multiply
2,112,715.62x = 3,169,040.67 × 850,512.42 - Step 4: Simplify right side
2,112,715.62x = 2,695,308,449,320.12 - Step 5: Solve for x
x = 2,695,308,449,320.12/2,112,715.62 - Step 6: Final answer
x = 1,275,755.44
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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.