Finding the Fourth Proportional to 3,211,106.14, 4,813,287.18 and 1,080,450.28
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Solution
The fourth proportional to 3,211,106.14, 4,813,287.18 and 1,080,450.28 is: 1,619,540.82
Step by Step Solution
- Step 1: Write the proportion equation
3,211,106.14 : 4,813,287.18 = 1,080,450.28 : x - Step 2: Convert to fraction form
3,211,106.14/4,813,287.18 = 1,080,450.28/x - Step 3: Cross multiply
3,211,106.14x = 4,813,287.18 × 1,080,450.28 - Step 4: Simplify right side
3,211,106.14x = 5,200,517,481,351.41 - Step 5: Solve for x
x = 5,200,517,481,351.41/3,211,106.14 - Step 6: Final answer
x = 1,619,540.82
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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.