Finding the Fourth Proportional to 2,998,306.38, 4,498,116.21 and 868,477.26
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Solution
The fourth proportional to 2,998,306.38, 4,498,116.21 and 868,477.26 is: 1,302,906.09
Step by Step Solution
- Step 1: Write the proportion equation
2,998,306.38 : 4,498,116.21 = 868,477.26 : x - Step 2: Convert to fraction form
2,998,306.38/4,498,116.21 = 868,477.26/x - Step 3: Cross multiply
2,998,306.38x = 4,498,116.21 × 868,477.26 - Step 4: Simplify right side
2,998,306.38x = 3,906,511,641,222.39 - Step 5: Solve for x
x = 3,906,511,641,222.39/2,998,306.38 - Step 6: Final answer
x = 1,302,906.09
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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.