Finding the Fourth Proportional to 1,562,249.21, 2,339,589.57 and 1,081,128.84
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Solution
The fourth proportional to 1,562,249.21, 2,339,589.57 and 1,081,128.84 is: 1,619,074.44
Step by Step Solution
- Step 1: Write the proportion equation
1,562,249.21 : 2,339,589.57 = 1,081,128.84 : x - Step 2: Convert to fraction form
1,562,249.21/2,339,589.57 = 1,081,128.84/x - Step 3: Cross multiply
1,562,249.21x = 2,339,589.57 × 1,081,128.84 - Step 4: Simplify right side
1,562,249.21x = 2,529,397,757,890.20 - Step 5: Solve for x
x = 2,529,397,757,890.20/1,562,249.21 - Step 6: Final answer
x = 1,619,074.44
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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.