Finding the Fourth Proportional to 7,040,369.20, 10,560,464.60 and 2,247,997.68
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Solution
The fourth proportional to 7,040,369.20, 10,560,464.60 and 2,247,997.68 is: 3,371,968.04
Step by Step Solution
- Step 1: Write the proportion equation
7,040,369.20 : 10,560,464.60 = 2,247,997.68 : x - Step 2: Convert to fraction form
7,040,369.20/10,560,464.60 = 2,247,997.68/x - Step 3: Cross multiply
7,040,369.20x = 10,560,464.60 × 2,247,997.68 - Step 4: Simplify right side
7,040,369.20x = 23,739,899,920,522.13 - Step 5: Solve for x
x = 23,739,899,920,522.13/7,040,369.20 - Step 6: Final answer
x = 3,371,968.04
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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.