Finding the Fourth Proportional to 6,397,161.53, 9,596,247.12 and 2,137,344.80
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Solution
The fourth proportional to 6,397,161.53, 9,596,247.12 and 2,137,344.80 is: 3,206,185.86
Step by Step Solution
- Step 1: Write the proportion equation
6,397,161.53 : 9,596,247.12 = 2,137,344.80 : x - Step 2: Convert to fraction form
6,397,161.53/9,596,247.12 = 2,137,344.80/x - Step 3: Cross multiply
6,397,161.53x = 9,596,247.12 × 2,137,344.80 - Step 4: Simplify right side
6,397,161.53x = 20,510,488,833,465.74 - Step 5: Solve for x
x = 20,510,488,833,465.74/6,397,161.53 - Step 6: Final answer
x = 3,206,185.86
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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.