Finding the Fourth Proportional to 3,682,863.18, 5,082,606.63 and 2,232,619.74
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Solution
The fourth proportional to 3,682,863.18, 5,082,606.63 and 2,232,619.74 is: 3,081,170.09
Step by Step Solution
- Step 1: Write the proportion equation
3,682,863.18 : 5,082,606.63 = 2,232,619.74 : x - Step 2: Convert to fraction form
3,682,863.18/5,082,606.63 = 2,232,619.74/x - Step 3: Cross multiply
3,682,863.18x = 5,082,606.63 × 2,232,619.74 - Step 4: Simplify right side
3,682,863.18x = 11,347,527,892,792.88 - Step 5: Solve for x
x = 11,347,527,892,792.88/3,682,863.18 - Step 6: Final answer
x = 3,081,170.09
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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.