Finding the Fourth Proportional to 3,848,245.60, 5,310,217.28 and 2,605,327.68
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Solution
The fourth proportional to 3,848,245.60, 5,310,217.28 and 2,605,327.68 is: 3,595,107.36
Step by Step Solution
- Step 1: Write the proportion equation
3,848,245.60 : 5,310,217.28 = 2,605,327.68 : x - Step 2: Convert to fraction form
3,848,245.60/5,310,217.28 = 2,605,327.68/x - Step 3: Cross multiply
3,848,245.60x = 5,310,217.28 × 2,605,327.68 - Step 4: Simplify right side
3,848,245.60x = 13,834,856,066,398.31 - Step 5: Solve for x
x = 13,834,856,066,398.31/3,848,245.60 - Step 6: Final answer
x = 3,595,107.36
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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.