Finding the Fourth Proportional to 6,315,346.71, 9,471,571.46 and 1,766,716.12
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Solution
The fourth proportional to 6,315,346.71, 9,471,571.46 and 1,766,716.12 is: 2,649,668.94
Step by Step Solution
- Step 1: Write the proportion equation
6,315,346.71 : 9,471,571.46 = 1,766,716.12 : x - Step 2: Convert to fraction form
6,315,346.71/9,471,571.46 = 1,766,716.12/x - Step 3: Cross multiply
6,315,346.71x = 9,471,571.46 × 1,766,716.12 - Step 4: Simplify right side
6,315,346.71x = 16,733,577,998,095.98 - Step 5: Solve for x
x = 16,733,577,998,095.98/6,315,346.71 - Step 6: Final answer
x = 2,649,668.94
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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.