Finding the Fourth Proportional to 3,237,010.20, 4,855,515.30 and 1,107,163.80
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Solution
The fourth proportional to 3,237,010.20, 4,855,515.30 and 1,107,163.80 is: 1,660,745.70
Step by Step Solution
- Step 1: Write the proportion equation
3,237,010.20 : 4,855,515.30 = 1,107,163.80 : x - Step 2: Convert to fraction form
3,237,010.20/4,855,515.30 = 1,107,163.80/x - Step 3: Cross multiply
3,237,010.20x = 4,855,515.30 × 1,107,163.80 - Step 4: Simplify right side
3,237,010.20x = 5,375,850,770,506.14 - Step 5: Solve for x
x = 5,375,850,770,506.14/3,237,010.20 - Step 6: Final answer
x = 1,660,745.70
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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.