Finding the Fourth Proportional to 6,397,825.12, 9,596,737.68 and 2,137,993.35
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Solution
The fourth proportional to 6,397,825.12, 9,596,737.68 and 2,137,993.35 is: 3,206,990.03
Step by Step Solution
- Step 1: Write the proportion equation
6,397,825.12 : 9,596,737.68 = 2,137,993.35 : x - Step 2: Convert to fraction form
6,397,825.12/9,596,737.68 = 2,137,993.35/x - Step 3: Cross multiply
6,397,825.12x = 9,596,737.68 × 2,137,993.35 - Step 4: Simplify right side
6,397,825.12x = 20,517,761,341,534.43 - Step 5: Solve for x
x = 20,517,761,341,534.43/6,397,825.12 - Step 6: Final answer
x = 3,206,990.03
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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.