Finding the Fourth Proportional to 1,386,994.44, 2,081,092.68 and 489,077.60
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Solution
The fourth proportional to 1,386,994.44, 2,081,092.68 and 489,077.60 is: 733,828.33
Step by Step Solution
- Step 1: Write the proportion equation
1,386,994.44 : 2,081,092.68 = 489,077.60 : x - Step 2: Convert to fraction form
1,386,994.44/2,081,092.68 = 489,077.60/x - Step 3: Cross multiply
1,386,994.44x = 2,081,092.68 × 489,077.60 - Step 4: Simplify right side
1,386,994.44x = 1,017,815,813,311.97 - Step 5: Solve for x
x = 1,017,815,813,311.97/1,386,994.44 - Step 6: Final answer
x = 733,828.33
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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.