Finding the Fourth Proportional to 4,425,531.77, 6,639,478.94 and 1,585,930.97
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Solution
The fourth proportional to 4,425,531.77, 6,639,478.94 and 1,585,930.97 is: 2,379,319.78
Step by Step Solution
- Step 1: Write the proportion equation
4,425,531.77 : 6,639,478.94 = 1,585,930.97 : x - Step 2: Convert to fraction form
4,425,531.77/6,639,478.94 = 1,585,930.97/x - Step 3: Cross multiply
4,425,531.77x = 6,639,478.94 × 1,585,930.97 - Step 4: Simplify right side
4,425,531.77x = 10,529,755,275,608.77 - Step 5: Solve for x
x = 10,529,755,275,608.77/4,425,531.77 - Step 6: Final answer
x = 2,379,319.78
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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.