Finding the Fourth Proportional to 7,601,163.49, 11,401,745.24 and 1,921,387.80
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Solution
The fourth proportional to 7,601,163.49, 11,401,745.24 and 1,921,387.80 is: 2,882,081.70
Step by Step Solution
- Step 1: Write the proportion equation
7,601,163.49 : 11,401,745.24 = 1,921,387.80 : x - Step 2: Convert to fraction form
7,601,163.49/11,401,745.24 = 1,921,387.80/x - Step 3: Cross multiply
7,601,163.49x = 11,401,745.24 × 1,921,387.80 - Step 4: Simplify right side
7,601,163.49x = 21,907,174,193,237.13 - Step 5: Solve for x
x = 21,907,174,193,237.13/7,601,163.49 - Step 6: Final answer
x = 2,882,081.70
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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.