Finding the Fourth Proportional to 5,393,859.86, 8,090,734.35 and 3,117,936.09
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Solution
The fourth proportional to 5,393,859.86, 8,090,734.35 and 3,117,936.09 is: 4,676,872.09
Step by Step Solution
- Step 1: Write the proportion equation
5,393,859.86 : 8,090,734.35 = 3,117,936.09 : x - Step 2: Convert to fraction form
5,393,859.86/8,090,734.35 = 3,117,936.09/x - Step 3: Cross multiply
5,393,859.86x = 8,090,734.35 × 3,117,936.09 - Step 4: Simplify right side
5,393,859.86x = 25,226,392,624,467.69 - Step 5: Solve for x
x = 25,226,392,624,467.69/5,393,859.86 - Step 6: Final answer
x = 4,676,872.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.