Finding the Fourth Proportional to 3,527,821.81, 5,291,722.41 and 969,039.19
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Solution
The fourth proportional to 3,527,821.81, 5,291,722.41 and 969,039.19 is: 1,453,555.95
Step by Step Solution
- Step 1: Write the proportion equation
3,527,821.81 : 5,291,722.41 = 969,039.19 : x - Step 2: Convert to fraction form
3,527,821.81/5,291,722.41 = 969,039.19/x - Step 3: Cross multiply
3,527,821.81x = 5,291,722.41 × 969,039.19 - Step 4: Simplify right side
3,527,821.81x = 5,127,886,397,891.25 - Step 5: Solve for x
x = 5,127,886,397,891.25/3,527,821.81 - Step 6: Final answer
x = 1,453,555.95
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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.