Finding the Fourth Proportional to 4,110,910.45, 5,672,911.68 and 2,275,372.29
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Solution
The fourth proportional to 4,110,910.45, 5,672,911.68 and 2,275,372.29 is: 3,139,933.65
Step by Step Solution
- Step 1: Write the proportion equation
4,110,910.45 : 5,672,911.68 = 2,275,372.29 : x - Step 2: Convert to fraction form
4,110,910.45/5,672,911.68 = 2,275,372.29/x - Step 3: Cross multiply
4,110,910.45x = 5,672,911.68 × 2,275,372.29 - Step 4: Simplify right side
4,110,910.45x = 12,907,986,040,289.35 - Step 5: Solve for x
x = 12,907,986,040,289.35/4,110,910.45 - Step 6: Final answer
x = 3,139,933.65
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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.