Finding the Fourth Proportional to 4,208,578.92, 5,809,771.62 and 2,466,006.12
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Solution
The fourth proportional to 4,208,578.92, 5,809,771.62 and 2,466,006.12 is: 3,404,220.91
Step by Step Solution
- Step 1: Write the proportion equation
4,208,578.92 : 5,809,771.62 = 2,466,006.12 : x - Step 2: Convert to fraction form
4,208,578.92/5,809,771.62 = 2,466,006.12/x - Step 3: Cross multiply
4,208,578.92x = 5,809,771.62 × 2,466,006.12 - Step 4: Simplify right side
4,208,578.92x = 14,326,932,370,722.31 - Step 5: Solve for x
x = 14,326,932,370,722.31/4,208,578.92 - Step 6: Final answer
x = 3,404,220.91
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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.