Finding the Fourth Proportional to 1,442,145.21, 2,163,052.57 and 377,290.05
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Solution
The fourth proportional to 1,442,145.21, 2,163,052.57 and 377,290.05 is: 565,891.84
Step by Step Solution
- Step 1: Write the proportion equation
1,442,145.21 : 2,163,052.57 = 377,290.05 : x - Step 2: Convert to fraction form
1,442,145.21/2,163,052.57 = 377,290.05/x - Step 3: Cross multiply
1,442,145.21x = 2,163,052.57 × 377,290.05 - Step 4: Simplify right side
1,442,145.21x = 816,098,212,287.93 - Step 5: Solve for x
x = 816,098,212,287.93/1,442,145.21 - Step 6: Final answer
x = 565,891.84
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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.