Finding the Fourth Proportional to 4,920,664.70, 7,382,163.45 and 2,524,879.10
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Solution
The fourth proportional to 4,920,664.70, 7,382,163.45 and 2,524,879.10 is: 3,787,917.15
Step by Step Solution
- Step 1: Write the proportion equation
4,920,664.70 : 7,382,163.45 = 2,524,879.10 : x - Step 2: Convert to fraction form
4,920,664.70/7,382,163.45 = 2,524,879.10/x - Step 3: Cross multiply
4,920,664.70x = 7,382,163.45 × 2,524,879.10 - Step 4: Simplify right side
4,920,664.70x = 18,639,070,207,688.89 - Step 5: Solve for x
x = 18,639,070,207,688.89/4,920,664.70 - Step 6: Final answer
x = 3,787,917.15
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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.