Finding the Fourth Proportional to 3,324,463.12, 4,587,561.34 and 1,928,916.99
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Solution
The fourth proportional to 3,324,463.12, 4,587,561.34 and 1,928,916.99 is: 2,661,790.70
Step by Step Solution
- Step 1: Write the proportion equation
3,324,463.12 : 4,587,561.34 = 1,928,916.99 : x - Step 2: Convert to fraction form
3,324,463.12/4,587,561.34 = 1,928,916.99/x - Step 3: Cross multiply
3,324,463.12x = 4,587,561.34 × 1,928,916.99 - Step 4: Simplify right side
3,324,463.12x = 8,849,025,011,393.17 - Step 5: Solve for x
x = 8,849,025,011,393.17/3,324,463.12 - Step 6: Final answer
x = 2,661,790.70
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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.