Finding the Fourth Proportional to 3,056,616.99, 4,218,175.08 and 1,680,087.96
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Solution
The fourth proportional to 3,056,616.99, 4,218,175.08 and 1,680,087.96 is: 2,318,545.37
Step by Step Solution
- Step 1: Write the proportion equation
3,056,616.99 : 4,218,175.08 = 1,680,087.96 : x - Step 2: Convert to fraction form
3,056,616.99/4,218,175.08 = 1,680,087.96/x - Step 3: Cross multiply
3,056,616.99x = 4,218,175.08 × 1,680,087.96 - Step 4: Simplify right side
3,056,616.99x = 7,086,905,165,080.04 - Step 5: Solve for x
x = 7,086,905,165,080.04/3,056,616.99 - Step 6: Final answer
x = 2,318,545.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.