Finding the Fourth Proportional to 2,874,486.88, 4,302,761.88 and 2,117,183.44
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Solution
The fourth proportional to 2,874,486.88, 4,302,761.88 and 2,117,183.44 is: 3,169,169.52
Step by Step Solution
- Step 1: Write the proportion equation
2,874,486.88 : 4,302,761.88 = 2,117,183.44 : x - Step 2: Convert to fraction form
2,874,486.88/4,302,761.88 = 2,117,183.44/x - Step 3: Cross multiply
2,874,486.88x = 4,302,761.88 × 2,117,183.44 - Step 4: Simplify right side
2,874,486.88x = 9,109,736,198,599.27 - Step 5: Solve for x
x = 9,109,736,198,599.27/2,874,486.88 - Step 6: Final answer
x = 3,169,169.52
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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.