Finding the Fourth Proportional to 3,162,126.59, 4,363,736.03 and 1,711,821.99
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Solution
The fourth proportional to 3,162,126.59, 4,363,736.03 and 1,711,821.99 is: 2,362,315.07
Step by Step Solution
- Step 1: Write the proportion equation
3,162,126.59 : 4,363,736.03 = 1,711,821.99 : x - Step 2: Convert to fraction form
3,162,126.59/4,363,736.03 = 1,711,821.99/x - Step 3: Cross multiply
3,162,126.59x = 4,363,736.03 × 1,711,821.99 - Step 4: Simplify right side
3,162,126.59x = 7,469,939,286,150.19 - Step 5: Solve for x
x = 7,469,939,286,150.19/3,162,126.59 - Step 6: Final answer
x = 2,362,315.07
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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.