Finding the Fourth Proportional to 4,626,540.75, 6,373,218.27 and 3,936,000.96
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Solution
The fourth proportional to 4,626,540.75, 6,373,218.27 and 3,936,000.96 is: 5,421,976.07
Step by Step Solution
- Step 1: Write the proportion equation
4,626,540.75 : 6,373,218.27 = 3,936,000.96 : x - Step 2: Convert to fraction form
4,626,540.75/6,373,218.27 = 3,936,000.96/x - Step 3: Cross multiply
4,626,540.75x = 6,373,218.27 × 3,936,000.96 - Step 4: Simplify right side
4,626,540.75x = 25,084,993,229,009.54 - Step 5: Solve for x
x = 25,084,993,229,009.54/4,626,540.75 - Step 6: Final answer
x = 5,421,976.07
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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.