Finding the Fourth Proportional to 7,320,369.12, 10,982,021.28 and 2,528,234.08
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Solution
The fourth proportional to 7,320,369.12, 10,982,021.28 and 2,528,234.08 is: 3,792,857.98
Step by Step Solution
- Step 1: Write the proportion equation
7,320,369.12 : 10,982,021.28 = 2,528,234.08 : x - Step 2: Convert to fraction form
7,320,369.12/10,982,021.28 = 2,528,234.08/x - Step 3: Cross multiply
7,320,369.12x = 10,982,021.28 × 2,528,234.08 - Step 4: Simplify right side
7,320,369.12x = 27,765,120,467,381.22 - Step 5: Solve for x
x = 27,765,120,467,381.22/7,320,369.12 - Step 6: Final answer
x = 3,792,857.98
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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.