Finding the Fourth Proportional to 2,091,114.63, 2,880,361.26 and 1,478,213.37
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Solution
The fourth proportional to 2,091,114.63, 2,880,361.26 and 1,478,213.37 is: 2,036,133.49
Step by Step Solution
- Step 1: Write the proportion equation
2,091,114.63 : 2,880,361.26 = 1,478,213.37 : x - Step 2: Convert to fraction form
2,091,114.63/2,880,361.26 = 1,478,213.37/x - Step 3: Cross multiply
2,091,114.63x = 2,880,361.26 × 1,478,213.37 - Step 4: Simplify right side
2,091,114.63x = 4,257,788,524,962.05 - Step 5: Solve for x
x = 4,257,788,524,962.05/2,091,114.63 - Step 6: Final answer
x = 2,036,133.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.