Finding the Fourth Proportional to 2,448,619.40, 3,670,304.70 and 931,716.20
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Solution
The fourth proportional to 2,448,619.40, 3,670,304.70 and 931,716.20 is: 1,396,575.70
Step by Step Solution
- Step 1: Write the proportion equation
2,448,619.40 : 3,670,304.70 = 931,716.20 : x - Step 2: Convert to fraction form
2,448,619.40/3,670,304.70 = 931,716.20/x - Step 3: Cross multiply
2,448,619.40x = 3,670,304.70 × 931,716.20 - Step 4: Simplify right side
2,448,619.40x = 3,419,682,347,926.14 - Step 5: Solve for x
x = 3,419,682,347,926.14/2,448,619.40 - Step 6: Final answer
x = 1,396,575.70
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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.