Finding the Fourth Proportional to 4,498,578.20, 6,747,174.05 and 1,465,936.38
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Solution
The fourth proportional to 4,498,578.20, 6,747,174.05 and 1,465,936.38 is: 2,198,678.66
Step by Step Solution
- Step 1: Write the proportion equation
4,498,578.20 : 6,747,174.05 = 1,465,936.38 : x - Step 2: Convert to fraction form
4,498,578.20/6,747,174.05 = 1,465,936.38/x - Step 3: Cross multiply
4,498,578.20x = 6,747,174.05 × 1,465,936.38 - Step 4: Simplify right side
4,498,578.20x = 9,890,927,894,757.26 - Step 5: Solve for x
x = 9,890,927,894,757.26/4,498,578.20 - Step 6: Final answer
x = 2,198,678.66
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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.