Finding the Fourth Proportional to 7,609,728.25, 11,414,460.84 and 2,561,038.75
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Solution
The fourth proportional to 7,609,728.25, 11,414,460.84 and 2,561,038.75 is: 3,841,513.85
Step by Step Solution
- Step 1: Write the proportion equation
7,609,728.25 : 11,414,460.84 = 2,561,038.75 : x - Step 2: Convert to fraction form
7,609,728.25/11,414,460.84 = 2,561,038.75/x - Step 3: Cross multiply
7,609,728.25x = 11,414,460.84 × 2,561,038.75 - Step 4: Simplify right side
7,609,728.25x = 29,232,876,451,720.05 - Step 5: Solve for x
x = 29,232,876,451,720.05/7,609,728.25 - Step 6: Final answer
x = 3,841,513.85
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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.