Finding the Fourth Proportional to 1,817,668.37, 2,726,207.17 and 858,122.12
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Solution
The fourth proportional to 1,817,668.37, 2,726,207.17 and 858,122.12 is: 1,287,043.73
Step by Step Solution
- Step 1: Write the proportion equation
1,817,668.37 : 2,726,207.17 = 858,122.12 : x - Step 2: Convert to fraction form
1,817,668.37/2,726,207.17 = 858,122.12/x - Step 3: Cross multiply
1,817,668.37x = 2,726,207.17 × 858,122.12 - Step 4: Simplify right side
1,817,668.37x = 2,339,418,680,949.81 - Step 5: Solve for x
x = 2,339,418,680,949.81/1,817,668.37 - Step 6: Final answer
x = 1,287,043.73
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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.