Finding the Fourth Proportional to 5,163,817.86, 7,738,640.64 and 3,267,163.98
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Solution
The fourth proportional to 5,163,817.86, 7,738,640.64 and 3,267,163.98 is: 4,896,262.54
Step by Step Solution
- Step 1: Write the proportion equation
5,163,817.86 : 7,738,640.64 = 3,267,163.98 : x - Step 2: Convert to fraction form
5,163,817.86/7,738,640.64 = 3,267,163.98/x - Step 3: Cross multiply
5,163,817.86x = 7,738,640.64 × 3,267,163.98 - Step 4: Simplify right side
5,163,817.86x = 25,283,407,953,172.14 - Step 5: Solve for x
x = 25,283,407,953,172.14/5,163,817.86 - Step 6: Final answer
x = 4,896,262.54
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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.