Finding the Fourth Proportional to 3,896,554.60, 5,377,306.26 and 2,177,786.44
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Solution
The fourth proportional to 3,896,554.60, 5,377,306.26 and 2,177,786.44 is: 3,005,379.33
Step by Step Solution
- Step 1: Write the proportion equation
3,896,554.60 : 5,377,306.26 = 2,177,786.44 : x - Step 2: Convert to fraction form
3,896,554.60/5,377,306.26 = 2,177,786.44/x - Step 3: Cross multiply
3,896,554.60x = 5,377,306.26 × 2,177,786.44 - Step 4: Simplify right side
3,896,554.60x = 11,710,624,656,755.11 - Step 5: Solve for x
x = 11,710,624,656,755.11/3,896,554.60 - Step 6: Final answer
x = 3,005,379.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.