Finding the Fourth Proportional to 4,994,960.75, 6,893,067.56 and 2,703,121.64
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Solution
The fourth proportional to 4,994,960.75, 6,893,067.56 and 2,703,121.64 is: 3,730,319.61
Step by Step Solution
- Step 1: Write the proportion equation
4,994,960.75 : 6,893,067.56 = 2,703,121.64 : x - Step 2: Convert to fraction form
4,994,960.75/6,893,067.56 = 2,703,121.64/x - Step 3: Cross multiply
4,994,960.75x = 6,893,067.56 × 2,703,121.64 - Step 4: Simplify right side
4,994,960.75x = 18,632,800,039,437.05 - Step 5: Solve for x
x = 18,632,800,039,437.05/4,994,960.75 - Step 6: Final answer
x = 3,730,319.61
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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.