Finding the Fourth Proportional to 2,397,975.54, 3,309,229.49 and 1,310,247.09
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Solution
The fourth proportional to 2,397,975.54, 3,309,229.49 and 1,310,247.09 is: 1,808,153.69
Step by Step Solution
- Step 1: Write the proportion equation
2,397,975.54 : 3,309,229.49 = 1,310,247.09 : x - Step 2: Convert to fraction form
2,397,975.54/3,309,229.49 = 1,310,247.09/x - Step 3: Cross multiply
2,397,975.54x = 3,309,229.49 × 1,310,247.09 - Step 4: Simplify right side
2,397,975.54x = 4,335,908,302,863.45 - Step 5: Solve for x
x = 4,335,908,302,863.45/2,397,975.54 - Step 6: Final answer
x = 1,808,153.69
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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.