Finding the Fourth Proportional to 2,409,078.11, 3,613,866.28 and 811,765.76
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Solution
The fourth proportional to 2,409,078.11, 3,613,866.28 and 811,765.76 is: 1,217,732.58
Step by Step Solution
- Step 1: Write the proportion equation
2,409,078.11 : 3,613,866.28 = 811,765.76 : x - Step 2: Convert to fraction form
2,409,078.11/3,613,866.28 = 811,765.76/x - Step 3: Cross multiply
2,409,078.11x = 3,613,866.28 × 811,765.76 - Step 4: Simplify right side
2,409,078.11x = 2,933,612,901,954.01 - Step 5: Solve for x
x = 2,933,612,901,954.01/2,409,078.11 - Step 6: Final answer
x = 1,217,732.58
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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.