Finding the Fourth Proportional to 6,112,195.20, 9,161,596.80 and 3,074,716.80
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Solution
The fourth proportional to 6,112,195.20, 9,161,596.80 and 3,074,716.80 is: 4,608,706.80
Step by Step Solution
- Step 1: Write the proportion equation
6,112,195.20 : 9,161,596.80 = 3,074,716.80 : x - Step 2: Convert to fraction form
6,112,195.20/9,161,596.80 = 3,074,716.80/x - Step 3: Cross multiply
6,112,195.20x = 9,161,596.80 × 3,074,716.80 - Step 4: Simplify right side
6,112,195.20x = 28,169,315,595,786.24 - Step 5: Solve for x
x = 28,169,315,595,786.24/6,112,195.20 - Step 6: Final answer
x = 4,608,706.80
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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.