Finding the Fourth Proportional to 2,757,520.17, 4,136,274.09 and 1,313,821.35
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Solution
The fourth proportional to 2,757,520.17, 4,136,274.09 and 1,313,821.35 is: 1,970,729.09
Step by Step Solution
- Step 1: Write the proportion equation
2,757,520.17 : 4,136,274.09 = 1,313,821.35 : x - Step 2: Convert to fraction form
2,757,520.17/4,136,274.09 = 1,313,821.35/x - Step 3: Cross multiply
2,757,520.17x = 4,136,274.09 × 1,313,821.35 - Step 4: Simplify right side
2,757,520.17x = 5,434,325,208,893.82 - Step 5: Solve for x
x = 5,434,325,208,893.82/2,757,520.17 - Step 6: Final answer
x = 1,970,729.09
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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.