Finding the Fourth Proportional to 1,215,397.80, 1,821,982.14 and 466,880.04
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Solution
The fourth proportional to 1,215,397.80, 1,821,982.14 and 466,880.04 is: 699,891.92
Step by Step Solution
- Step 1: Write the proportion equation
1,215,397.80 : 1,821,982.14 = 466,880.04 : x - Step 2: Convert to fraction form
1,215,397.80/1,821,982.14 = 466,880.04/x - Step 3: Cross multiply
1,215,397.80x = 1,821,982.14 × 466,880.04 - Step 4: Simplify right side
1,215,397.80x = 850,647,094,402.49 - Step 5: Solve for x
x = 850,647,094,402.49/1,215,397.80 - Step 6: Final answer
x = 699,891.92
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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.