Finding the Fourth Proportional to 4,079,209.32, 5,629,320.09 and 2,243,855.68
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Solution
The fourth proportional to 4,079,209.32, 5,629,320.09 and 2,243,855.68 is: 3,096,527.01
Step by Step Solution
- Step 1: Write the proportion equation
4,079,209.32 : 5,629,320.09 = 2,243,855.68 : x - Step 2: Convert to fraction form
4,079,209.32/5,629,320.09 = 2,243,855.68/x - Step 3: Cross multiply
4,079,209.32x = 5,629,320.09 × 2,243,855.68 - Step 4: Simplify right side
4,079,209.32x = 12,631,381,830,338.01 - Step 5: Solve for x
x = 12,631,381,830,338.01/4,079,209.32 - Step 6: Final answer
x = 3,096,527.01
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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.