Finding the Fourth Proportional to 2,379,354.51, 3,283,528.49 and 1,318,514.69
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Solution
The fourth proportional to 2,379,354.51, 3,283,528.49 and 1,318,514.69 is: 1,819,560.95
Step by Step Solution
- Step 1: Write the proportion equation
2,379,354.51 : 3,283,528.49 = 1,318,514.69 : x - Step 2: Convert to fraction form
2,379,354.51/3,283,528.49 = 1,318,514.69/x - Step 3: Cross multiply
2,379,354.51x = 3,283,528.49 × 1,318,514.69 - Step 4: Simplify right side
2,379,354.51x = 4,329,380,555,659.20 - Step 5: Solve for x
x = 4,329,380,555,659.20/2,379,354.51 - Step 6: Final answer
x = 1,819,560.95
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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.