Finding the Fourth Proportional to 4,981,485.56, 7,465,812.71 and 2,417,738.99
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Solution
The fourth proportional to 4,981,485.56, 7,465,812.71 and 2,417,738.99 is: 3,623,494.68
Step by Step Solution
- Step 1: Write the proportion equation
4,981,485.56 : 7,465,812.71 = 2,417,738.99 : x - Step 2: Convert to fraction form
4,981,485.56/7,465,812.71 = 2,417,738.99/x - Step 3: Cross multiply
4,981,485.56x = 7,465,812.71 × 2,417,738.99 - Step 4: Simplify right side
4,981,485.56x = 18,050,386,431,586.80 - Step 5: Solve for x
x = 18,050,386,431,586.80/4,981,485.56 - Step 6: Final answer
x = 3,623,494.68
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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.