Finding the Fourth Proportional to 4,940,824.64, 6,812,923.57 and 3,218,751.68
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Solution
The fourth proportional to 4,940,824.64, 6,812,923.57 and 3,218,751.68 is: 4,438,350.03
Step by Step Solution
- Step 1: Write the proportion equation
4,940,824.64 : 6,812,923.57 = 3,218,751.68 : x - Step 2: Convert to fraction form
4,940,824.64/6,812,923.57 = 3,218,751.68/x - Step 3: Cross multiply
4,940,824.64x = 6,812,923.57 × 3,218,751.68 - Step 4: Simplify right side
4,940,824.64x = 21,929,109,144,537.60 - Step 5: Solve for x
x = 21,929,109,144,537.60/4,940,824.64 - Step 6: Final answer
x = 4,438,350.03
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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.