Finding the Fourth Proportional to 1,665,121.19, 2,498,678.23 and 718,491.91
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Solution
The fourth proportional to 1,665,121.19, 2,498,678.23 and 718,491.91 is: 1,078,167.83
Step by Step Solution
- Step 1: Write the proportion equation
1,665,121.19 : 2,498,678.23 = 718,491.91 : x - Step 2: Convert to fraction form
1,665,121.19/2,498,678.23 = 718,491.91/x - Step 3: Cross multiply
1,665,121.19x = 2,498,678.23 × 718,491.91 - Step 4: Simplify right side
1,665,121.19x = 1,795,280,093,948.12 - Step 5: Solve for x
x = 1,795,280,093,948.12/1,665,121.19 - Step 6: Final answer
x = 1,078,167.83
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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.