Finding the Fourth Proportional to 4,870,163.19, 7,305,035.16 and 1,275,850.56
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Solution
The fourth proportional to 4,870,163.19, 7,305,035.16 and 1,275,850.56 is: 1,913,720.92
Step by Step Solution
- Step 1: Write the proportion equation
4,870,163.19 : 7,305,035.16 = 1,275,850.56 : x - Step 2: Convert to fraction form
4,870,163.19/7,305,035.16 = 1,275,850.56/x - Step 3: Cross multiply
4,870,163.19x = 7,305,035.16 × 1,275,850.56 - Step 4: Simplify right side
4,870,163.19x = 9,320,133,199,705.69 - Step 5: Solve for x
x = 9,320,133,199,705.69/4,870,163.19 - Step 6: Final answer
x = 1,913,720.92
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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.