Finding the Fourth Proportional to 1,796,318.13, 2,694,515.46 and 643,639.97
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Solution
The fourth proportional to 1,796,318.13, 2,694,515.46 and 643,639.97 is: 965,473.66
Step by Step Solution
- Step 1: Write the proportion equation
1,796,318.13 : 2,694,515.46 = 643,639.97 : x - Step 2: Convert to fraction form
1,796,318.13/2,694,515.46 = 643,639.97/x - Step 3: Cross multiply
1,796,318.13x = 2,694,515.46 × 643,639.97 - Step 4: Simplify right side
1,796,318.13x = 1,734,297,836,366.36 - Step 5: Solve for x
x = 1,734,297,836,366.36/1,796,318.13 - Step 6: Final answer
x = 965,473.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.