Finding the Fourth Proportional to 2,081,586.80, 3,120,306.60 and 957,695.60
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Solution
The fourth proportional to 2,081,586.80, 3,120,306.60 and 957,695.60 is: 1,435,589.38
Step by Step Solution
- Step 1: Write the proportion equation
2,081,586.80 : 3,120,306.60 = 957,695.60 : x - Step 2: Convert to fraction form
2,081,586.80/3,120,306.60 = 957,695.60/x - Step 3: Cross multiply
2,081,586.80x = 3,120,306.60 × 957,695.60 - Step 4: Simplify right side
2,081,586.80x = 2,988,303,901,470.96 - Step 5: Solve for x
x = 2,988,303,901,470.96/2,081,586.80 - Step 6: Final answer
x = 1,435,589.38
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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.