Finding the Fourth Proportional to 3,313,662.90, 4,572,826.16 and 1,863,327.44
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Solution
The fourth proportional to 3,313,662.90, 4,572,826.16 and 1,863,327.44 is: 2,571,375.75
Step by Step Solution
- Step 1: Write the proportion equation
3,313,662.90 : 4,572,826.16 = 1,863,327.44 : x - Step 2: Convert to fraction form
3,313,662.90/4,572,826.16 = 1,863,327.44/x - Step 3: Cross multiply
3,313,662.90x = 4,572,826.16 × 1,863,327.44 - Step 4: Simplify right side
3,313,662.90x = 8,520,672,430,097.06 - Step 5: Solve for x
x = 8,520,672,430,097.06/3,313,662.90 - Step 6: Final answer
x = 2,571,375.75
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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.