Finding the Fourth Proportional to 7,976,689.25, 11,968,049.37 and 3,122,464.97
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Solution
The fourth proportional to 7,976,689.25, 11,968,049.37 and 3,122,464.97 is: 4,684,877.86
Step by Step Solution
- Step 1: Write the proportion equation
7,976,689.25 : 11,968,049.37 = 3,122,464.97 : x - Step 2: Convert to fraction form
7,976,689.25/11,968,049.37 = 3,122,464.97/x - Step 3: Cross multiply
7,976,689.25x = 11,968,049.37 × 3,122,464.97 - Step 4: Simplify right side
7,976,689.25x = 37,369,814,863,376.19 - Step 5: Solve for x
x = 37,369,814,863,376.19/7,976,689.25 - Step 6: Final answer
x = 4,684,877.86
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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.