Finding the Fourth Proportional to 1,436,034.87, 1,981,806.08 and 824,182.74
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Solution
The fourth proportional to 1,436,034.87, 1,981,806.08 and 824,182.74 is: 1,137,416.92
Step by Step Solution
- Step 1: Write the proportion equation
1,436,034.87 : 1,981,806.08 = 824,182.74 : x - Step 2: Convert to fraction form
1,436,034.87/1,981,806.08 = 824,182.74/x - Step 3: Cross multiply
1,436,034.87x = 1,981,806.08 × 824,182.74 - Step 4: Simplify right side
1,436,034.87x = 1,633,370,361,042.15 - Step 5: Solve for x
x = 1,633,370,361,042.15/1,436,034.87 - Step 6: Final answer
x = 1,137,416.92
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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.