Finding the Fourth Proportional to 3,167,961.23, 4,738,927.42 and 2,529,511.99
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Solution
The fourth proportional to 3,167,961.23, 4,738,927.42 and 2,529,511.99 is: 3,783,876.39
Step by Step Solution
- Step 1: Write the proportion equation
3,167,961.23 : 4,738,927.42 = 2,529,511.99 : x - Step 2: Convert to fraction form
3,167,961.23/4,738,927.42 = 2,529,511.99/x - Step 3: Cross multiply
3,167,961.23x = 4,738,927.42 × 2,529,511.99 - Step 4: Simplify right side
3,167,961.23x = 11,987,173,719,944.34 - Step 5: Solve for x
x = 11,987,173,719,944.34/3,167,961.23 - Step 6: Final answer
x = 3,783,876.39
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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.