Finding the Fourth Proportional to 3,984,761.97, 5,498,953.25 and 2,173,925.97
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Solution
The fourth proportional to 3,984,761.97, 5,498,953.25 and 2,173,925.97 is: 3,000,007.87
Step by Step Solution
- Step 1: Write the proportion equation
3,984,761.97 : 5,498,953.25 = 2,173,925.97 : x - Step 2: Convert to fraction form
3,984,761.97/5,498,953.25 = 2,173,925.97/x - Step 3: Cross multiply
3,984,761.97x = 5,498,953.25 × 2,173,925.97 - Step 4: Simplify right side
3,984,761.97x = 11,954,317,267,121.27 - Step 5: Solve for x
x = 11,954,317,267,121.27/3,984,761.97 - Step 6: Final answer
x = 3,000,007.87
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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.