Finding the Fourth Proportional to 5,185,622.50, 7,775,944.21 and 2,450,891.99
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Solution
The fourth proportional to 5,185,622.50, 7,775,944.21 and 2,450,891.99 is: 3,675,161.35
Step by Step Solution
- Step 1: Write the proportion equation
5,185,622.50 : 7,775,944.21 = 2,450,891.99 : x - Step 2: Convert to fraction form
5,185,622.50/7,775,944.21 = 2,450,891.99/x - Step 3: Cross multiply
5,185,622.50x = 7,775,944.21 × 2,450,891.99 - Step 4: Simplify right side
5,185,622.50x = 19,057,999,378,975.88 - Step 5: Solve for x
x = 19,057,999,378,975.88/5,185,622.50 - Step 6: Final answer
x = 3,675,161.35
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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.