Finding the Fourth Proportional to 5,680,512.72, 7,839,067.68 and 3,102,194.16
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Solution
The fourth proportional to 5,680,512.72, 7,839,067.68 and 3,102,194.16 is: 4,281,006.17
Step by Step Solution
- Step 1: Write the proportion equation
5,680,512.72 : 7,839,067.68 = 3,102,194.16 : x - Step 2: Convert to fraction form
5,680,512.72/7,839,067.68 = 3,102,194.16/x - Step 3: Cross multiply
5,680,512.72x = 7,839,067.68 × 3,102,194.16 - Step 4: Simplify right side
5,680,512.72x = 24,318,309,976,740.75 - Step 5: Solve for x
x = 24,318,309,976,740.75/5,680,512.72 - Step 6: Final answer
x = 4,281,006.17
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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.