Finding the Fourth Proportional to 6,157,620.75, 9,236,737.31 and 4,362,531.15
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Solution
The fourth proportional to 6,157,620.75, 9,236,737.31 and 4,362,531.15 is: 6,544,013.65
Step by Step Solution
- Step 1: Write the proportion equation
6,157,620.75 : 9,236,737.31 = 4,362,531.15 : x - Step 2: Convert to fraction form
6,157,620.75/9,236,737.31 = 4,362,531.15/x - Step 3: Cross multiply
6,157,620.75x = 9,236,737.31 × 4,362,531.15 - Step 4: Simplify right side
6,157,620.75x = 40,295,554,217,429.55 - Step 5: Solve for x
x = 40,295,554,217,429.55/6,157,620.75 - Step 6: Final answer
x = 6,544,013.65
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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.