Finding the Fourth Proportional to 3,901,516.39, 5,383,727.53 and 2,431,288.63
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Solution
The fourth proportional to 3,901,516.39, 5,383,727.53 and 2,431,288.63 is: 3,354,950.80
Step by Step Solution
- Step 1: Write the proportion equation
3,901,516.39 : 5,383,727.53 = 2,431,288.63 : x - Step 2: Convert to fraction form
3,901,516.39/5,383,727.53 = 2,431,288.63/x - Step 3: Cross multiply
3,901,516.39x = 5,383,727.53 × 2,431,288.63 - Step 4: Simplify right side
3,901,516.39x = 13,089,395,530,706.98 - Step 5: Solve for x
x = 13,089,395,530,706.98/3,901,516.39 - Step 6: Final answer
x = 3,354,950.80
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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.