Finding the Fourth Proportional to 5,413,728.15, 8,121,616.41 and 2,175,517.89
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Solution
The fourth proportional to 5,413,728.15, 8,121,616.41 and 2,175,517.89 is: 3,263,688.41
Step by Step Solution
- Step 1: Write the proportion equation
5,413,728.15 : 8,121,616.41 = 2,175,517.89 : x - Step 2: Convert to fraction form
5,413,728.15/8,121,616.41 = 2,175,517.89/x - Step 3: Cross multiply
5,413,728.15x = 8,121,616.41 × 2,175,517.89 - Step 4: Simplify right side
5,413,728.15x = 17,668,721,795,672.58 - Step 5: Solve for x
x = 17,668,721,795,672.58/5,413,728.15 - Step 6: Final answer
x = 3,263,688.41
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.