Finding the Fourth Proportional to 3,372,257.98, 5,053,902.76 and 2,920,865.28
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Solution
The fourth proportional to 3,372,257.98, 5,053,902.76 and 2,920,865.28 is: 4,377,413.94
Step by Step Solution
- Step 1: Write the proportion equation
3,372,257.98 : 5,053,902.76 = 2,920,865.28 : x - Step 2: Convert to fraction form
3,372,257.98/5,053,902.76 = 2,920,865.28/x - Step 3: Cross multiply
3,372,257.98x = 5,053,902.76 × 2,920,865.28 - Step 4: Simplify right side
3,372,257.98x = 14,761,769,091,986.42 - Step 5: Solve for x
x = 14,761,769,091,986.42/3,372,257.98 - Step 6: Final answer
x = 4,377,413.94
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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.