Finding the Fourth Proportional to 5,752,990.54, 8,627,242.92 and 2,156,797.09
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Solution
The fourth proportional to 5,752,990.54, 8,627,242.92 and 2,156,797.09 is: 3,234,354.78
Step by Step Solution
- Step 1: Write the proportion equation
5,752,990.54 : 8,627,242.92 = 2,156,797.09 : x - Step 2: Convert to fraction form
5,752,990.54/8,627,242.92 = 2,156,797.09/x - Step 3: Cross multiply
5,752,990.54x = 8,627,242.92 × 2,156,797.09 - Step 4: Simplify right side
5,752,990.54x = 18,607,212,424,579.10 - Step 5: Solve for x
x = 18,607,212,424,579.10/5,752,990.54 - Step 6: Final answer
x = 3,234,354.78
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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.