Finding the Fourth Proportional to 3,893,306.09, 5,836,163.25 and 1,555,647.92
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Solution
The fourth proportional to 3,893,306.09, 5,836,163.25 and 1,555,647.92 is: 2,331,955.15
Step by Step Solution
- Step 1: Write the proportion equation
3,893,306.09 : 5,836,163.25 = 1,555,647.92 : x - Step 2: Convert to fraction form
3,893,306.09/5,836,163.25 = 1,555,647.92/x - Step 3: Cross multiply
3,893,306.09x = 5,836,163.25 × 1,555,647.92 - Step 4: Simplify right side
3,893,306.09x = 9,079,015,191,462.12 - Step 5: Solve for x
x = 9,079,015,191,462.12/3,893,306.09 - Step 6: Final answer
x = 2,331,955.15
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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.