Finding the Fourth Proportional to 4,261,211.80, 6,391,817.70 and 2,021,723.80
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Solution
The fourth proportional to 4,261,211.80, 6,391,817.70 and 2,021,723.80 is: 3,032,585.70
Step by Step Solution
- Step 1: Write the proportion equation
4,261,211.80 : 6,391,817.70 = 2,021,723.80 : x - Step 2: Convert to fraction form
4,261,211.80/6,391,817.70 = 2,021,723.80/x - Step 3: Cross multiply
4,261,211.80x = 6,391,817.70 × 2,021,723.80 - Step 4: Simplify right side
4,261,211.80x = 12,922,489,969,351.26 - Step 5: Solve for x
x = 12,922,489,969,351.26/4,261,211.80 - Step 6: Final answer
x = 3,032,585.70
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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.