Finding the Fourth Proportional to 4,328,163.10, 5,971,791.99 and 2,798,429.50
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Solution
The fourth proportional to 4,328,163.10, 5,971,791.99 and 2,798,429.50 is: 3,861,138.89
Step by Step Solution
- Step 1: Write the proportion equation
4,328,163.10 : 5,971,791.99 = 2,798,429.50 : x - Step 2: Convert to fraction form
4,328,163.10/5,971,791.99 = 2,798,429.50/x - Step 3: Cross multiply
4,328,163.10x = 5,971,791.99 × 2,798,429.50 - Step 4: Simplify right side
4,328,163.10x = 16,711,638,872,679.71 - Step 5: Solve for x
x = 16,711,638,872,679.71/4,328,163.10 - Step 6: Final answer
x = 3,861,138.89
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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.