Finding the Fourth Proportional to 1,620,512.51, 2,236,246.99 and 895,344.62
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Solution
The fourth proportional to 1,620,512.51, 2,236,246.99 and 895,344.62 is: 1,235,542.27
Step by Step Solution
- Step 1: Write the proportion equation
1,620,512.51 : 2,236,246.99 = 895,344.62 : x - Step 2: Convert to fraction form
1,620,512.51/2,236,246.99 = 895,344.62/x - Step 3: Cross multiply
1,620,512.51x = 2,236,246.99 × 895,344.62 - Step 4: Simplify right side
1,620,512.51x = 2,002,211,711,487.69 - Step 5: Solve for x
x = 2,002,211,711,487.69/1,620,512.51 - Step 6: Final answer
x = 1,235,542.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.