Finding the Fourth Proportional to 4,328,163.90, 6,492,245.85 and 4,143,872.70
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Solution
The fourth proportional to 4,328,163.90, 6,492,245.85 and 4,143,872.70 is: 6,215,809.05
Step by Step Solution
- Step 1: Write the proportion equation
4,328,163.90 : 6,492,245.85 = 4,143,872.70 : x - Step 2: Convert to fraction form
4,328,163.90/6,492,245.85 = 4,143,872.70/x - Step 3: Cross multiply
4,328,163.90x = 6,492,245.85 × 4,143,872.70 - Step 4: Simplify right side
4,328,163.90x = 26,903,040,339,503.29 - Step 5: Solve for x
x = 26,903,040,339,503.29/4,328,163.90 - Step 6: Final answer
x = 6,215,809.05
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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.