Finding the Fourth Proportional to 2,330,153.12, 3,215,406.42 and 1,297,582.88
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Solution
The fourth proportional to 2,330,153.12, 3,215,406.42 and 1,297,582.88 is: 1,790,550.28
Step by Step Solution
- Step 1: Write the proportion equation
2,330,153.12 : 3,215,406.42 = 1,297,582.88 : x - Step 2: Convert to fraction form
2,330,153.12/3,215,406.42 = 1,297,582.88/x - Step 3: Cross multiply
2,330,153.12x = 3,215,406.42 × 1,297,582.88 - Step 4: Simplify right side
2,330,153.12x = 4,172,256,322,834.09 - Step 5: Solve for x
x = 4,172,256,322,834.09/2,330,153.12 - Step 6: Final answer
x = 1,790,550.28
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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.