Finding the Fourth Proportional to 4,220,680.66, 5,824,544.52 and 2,286,939.76
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Solution
The fourth proportional to 4,220,680.66, 5,824,544.52 and 2,286,939.76 is: 3,155,979.69
Step by Step Solution
- Step 1: Write the proportion equation
4,220,680.66 : 5,824,544.52 = 2,286,939.76 : x - Step 2: Convert to fraction form
4,220,680.66/5,824,544.52 = 2,286,939.76/x - Step 3: Cross multiply
4,220,680.66x = 5,824,544.52 × 2,286,939.76 - Step 4: Simplify right side
4,220,680.66x = 13,320,382,446,678.11 - Step 5: Solve for x
x = 13,320,382,446,678.11/4,220,680.66 - Step 6: Final answer
x = 3,155,979.69
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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.