Finding the Fourth Proportional to 3,471,716.72, 4,791,378.84 and 1,943,528.96
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Solution
The fourth proportional to 3,471,716.72, 4,791,378.84 and 1,943,528.96 is: 2,682,299.36
Step by Step Solution
- Step 1: Write the proportion equation
3,471,716.72 : 4,791,378.84 = 1,943,528.96 : x - Step 2: Convert to fraction form
3,471,716.72/4,791,378.84 = 1,943,528.96/x - Step 3: Cross multiply
3,471,716.72x = 4,791,378.84 × 1,943,528.96 - Step 4: Simplify right side
3,471,716.72x = 9,312,183,533,871.21 - Step 5: Solve for x
x = 9,312,183,533,871.21/3,471,716.72 - Step 6: Final answer
x = 2,682,299.36
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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.