Finding the Fourth Proportional to 3,162,027.09, 4,364,114.09 and 1,939,005.75
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Solution
The fourth proportional to 3,162,027.09, 4,364,114.09 and 1,939,005.75 is: 2,676,144.78
Step by Step Solution
- Step 1: Write the proportion equation
3,162,027.09 : 4,364,114.09 = 1,939,005.75 : x - Step 2: Convert to fraction form
3,162,027.09/4,364,114.09 = 1,939,005.75/x - Step 3: Cross multiply
3,162,027.09x = 4,364,114.09 × 1,939,005.75 - Step 4: Simplify right side
3,162,027.09x = 8,462,042,304,470.99 - Step 5: Solve for x
x = 8,462,042,304,470.99/3,162,027.09 - Step 6: Final answer
x = 2,676,144.78
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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.