Finding the Fourth Proportional to 5,524,191.26, 7,622,039.54 and 3,638,027.55
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Solution
The fourth proportional to 5,524,191.26, 7,622,039.54 and 3,638,027.55 is: 5,019,592.65
Step by Step Solution
- Step 1: Write the proportion equation
5,524,191.26 : 7,622,039.54 = 3,638,027.55 : x - Step 2: Convert to fraction form
5,524,191.26/7,622,039.54 = 3,638,027.55/x - Step 3: Cross multiply
5,524,191.26x = 7,622,039.54 × 3,638,027.55 - Step 4: Simplify right side
5,524,191.26x = 27,729,189,815,519.19 - Step 5: Solve for x
x = 27,729,189,815,519.19/5,524,191.26 - Step 6: Final answer
x = 5,019,592.65
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1.5x scale
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.