Finding the Fourth Proportional to 3,972,177.68, 5,471,163.42 and 3,052,647.32
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Solution
The fourth proportional to 3,972,177.68, 5,471,163.42 and 3,052,647.32 is: 4,204,628.72
Step by Step Solution
- Step 1: Write the proportion equation
3,972,177.68 : 5,471,163.42 = 3,052,647.32 : x - Step 2: Convert to fraction form
3,972,177.68/5,471,163.42 = 3,052,647.32/x - Step 3: Cross multiply
3,972,177.68x = 5,471,163.42 × 3,052,647.32 - Step 4: Simplify right side
3,972,177.68x = 16,701,532,351,345.03 - Step 5: Solve for x
x = 16,701,532,351,345.03/3,972,177.68 - Step 6: Final answer
x = 4,204,628.72
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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.