Finding the Fourth Proportional to 4,448,672.10, 6,139,121.49 and 2,488,524.66
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Solution
The fourth proportional to 4,448,672.10, 6,139,121.49 and 2,488,524.66 is: 3,434,138.29
Step by Step Solution
- Step 1: Write the proportion equation
4,448,672.10 : 6,139,121.49 = 2,488,524.66 : x - Step 2: Convert to fraction form
4,448,672.10/6,139,121.49 = 2,488,524.66/x - Step 3: Cross multiply
4,448,672.10x = 6,139,121.49 × 2,488,524.66 - Step 4: Simplify right side
4,448,672.10x = 15,277,355,218,600.95 - Step 5: Solve for x
x = 15,277,355,218,600.95/4,448,672.10 - Step 6: Final answer
x = 3,434,138.29
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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.