Finding the Fourth Proportional to 2,439,371.40, 3,366,329.22 and 1,351,713.42
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Solution
The fourth proportional to 2,439,371.40, 3,366,329.22 and 1,351,713.42 is: 1,865,362.68
Step by Step Solution
- Step 1: Write the proportion equation
2,439,371.40 : 3,366,329.22 = 1,351,713.42 : x - Step 2: Convert to fraction form
2,439,371.40/3,366,329.22 = 1,351,713.42/x - Step 3: Cross multiply
2,439,371.40x = 3,366,329.22 × 1,351,713.42 - Step 4: Simplify right side
2,439,371.40x = 4,550,312,382,812.13 - Step 5: Solve for x
x = 4,550,312,382,812.13/2,439,371.40 - Step 6: Final answer
x = 1,865,362.68
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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.