Finding the Fourth Proportional to 2,723,486.78, 4,085,768.42 and 804,431.34
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Solution
The fourth proportional to 2,723,486.78, 4,085,768.42 and 804,431.34 is: 1,206,805.99
Step by Step Solution
- Step 1: Write the proportion equation
2,723,486.78 : 4,085,768.42 = 804,431.34 : x - Step 2: Convert to fraction form
2,723,486.78/4,085,768.42 = 804,431.34/x - Step 3: Cross multiply
2,723,486.78x = 4,085,768.42 × 804,431.34 - Step 4: Simplify right side
2,723,486.78x = 3,286,720,161,008.13 - Step 5: Solve for x
x = 3,286,720,161,008.13/2,723,486.78 - Step 6: Final answer
x = 1,206,805.99
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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.