Finding the Fourth Proportional to 3,975,622.20, 5,486,208.96 and 2,429,469.24
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Solution
The fourth proportional to 3,975,622.20, 5,486,208.96 and 2,429,469.24 is: 3,352,576.09
Step by Step Solution
- Step 1: Write the proportion equation
3,975,622.20 : 5,486,208.96 = 2,429,469.24 : x - Step 2: Convert to fraction form
3,975,622.20/5,486,208.96 = 2,429,469.24/x - Step 3: Cross multiply
3,975,622.20x = 5,486,208.96 × 2,429,469.24 - Step 4: Simplify right side
3,975,622.20x = 13,328,575,912,532.39 - Step 5: Solve for x
x = 13,328,575,912,532.39/3,975,622.20 - Step 6: Final answer
x = 3,352,576.09
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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.