Finding the Fourth Proportional to 3,983,163.21, 5,974,735.70 and 1,707,211.85
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Solution
The fourth proportional to 3,983,163.21, 5,974,735.70 and 1,707,211.85 is: 2,560,813.87
Step by Step Solution
- Step 1: Write the proportion equation
3,983,163.21 : 5,974,735.70 = 1,707,211.85 : x - Step 2: Convert to fraction form
3,983,163.21/5,974,735.70 = 1,707,211.85/x - Step 3: Cross multiply
3,983,163.21x = 5,974,735.70 × 1,707,211.85 - Step 4: Simplify right side
3,983,163.21x = 10,200,139,587,658.04 - Step 5: Solve for x
x = 10,200,139,587,658.04/3,983,163.21 - Step 6: Final answer
x = 2,560,813.87
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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.