Finding the Fourth Proportional to 3,049,358.26, 4,207,408.69 and 1,825,198.68
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Solution
The fourth proportional to 3,049,358.26, 4,207,408.69 and 1,825,198.68 is: 2,518,351.78
Step by Step Solution
- Step 1: Write the proportion equation
3,049,358.26 : 4,207,408.69 = 1,825,198.68 : x - Step 2: Convert to fraction form
3,049,358.26/4,207,408.69 = 1,825,198.68/x - Step 3: Cross multiply
3,049,358.26x = 4,207,408.69 × 1,825,198.68 - Step 4: Simplify right side
3,049,358.26x = 7,679,356,787,208.53 - Step 5: Solve for x
x = 7,679,356,787,208.53/3,049,358.26 - Step 6: Final answer
x = 2,518,351.78
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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.