Finding the Fourth Proportional to 6,397,877.05, 9,596,815.62 and 2,138,045.29
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Solution
The fourth proportional to 6,397,877.05, 9,596,815.62 and 2,138,045.29 is: 3,207,067.95
Step by Step Solution
- Step 1: Write the proportion equation
6,397,877.05 : 9,596,815.62 = 2,138,045.29 : x - Step 2: Convert to fraction form
6,397,877.05/9,596,815.62 = 2,138,045.29/x - Step 3: Cross multiply
6,397,877.05x = 9,596,815.62 × 2,138,045.29 - Step 4: Simplify right side
6,397,877.05x = 20,518,426,435,339.43 - Step 5: Solve for x
x = 20,518,426,435,339.43/6,397,877.05 - Step 6: Final answer
x = 3,207,067.95
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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.