Finding the Fourth Proportional to 1,956,728.84, 2,700,313.46 and 1,182,251.99
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Solution
The fourth proportional to 1,956,728.84, 2,700,313.46 and 1,182,251.99 is: 1,631,524.45
Step by Step Solution
- Step 1: Write the proportion equation
1,956,728.84 : 2,700,313.46 = 1,182,251.99 : x - Step 2: Convert to fraction form
1,956,728.84/2,700,313.46 = 1,182,251.99/x - Step 3: Cross multiply
1,956,728.84x = 2,700,313.46 × 1,182,251.99 - Step 4: Simplify right side
1,956,728.84x = 3,192,450,942,295.96 - Step 5: Solve for x
x = 3,192,450,942,295.96/1,956,728.84 - Step 6: Final answer
x = 1,631,524.45
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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.