Finding the Fourth Proportional to 3,821,091.91, 5,731,451.06 and 1,424,749.53
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Solution
The fourth proportional to 3,821,091.91, 5,731,451.06 and 1,424,749.53 is: 2,137,054.65
Step by Step Solution
- Step 1: Write the proportion equation
3,821,091.91 : 5,731,451.06 = 1,424,749.53 : x - Step 2: Convert to fraction form
3,821,091.91/5,731,451.06 = 1,424,749.53/x - Step 3: Cross multiply
3,821,091.91x = 5,731,451.06 × 1,424,749.53 - Step 4: Simplify right side
3,821,091.91x = 8,165,882,218,322.20 - Step 5: Solve for x
x = 8,165,882,218,322.20/3,821,091.91 - Step 6: Final answer
x = 2,137,054.65
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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.