Finding the Fourth Proportional to 4,940,839.10, 6,816,803.66 and 2,765,036.54
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Solution
The fourth proportional to 4,940,839.10, 6,816,803.66 and 2,765,036.54 is: 3,814,880.60
Step by Step Solution
- Step 1: Write the proportion equation
4,940,839.10 : 6,816,803.66 = 2,765,036.54 : x - Step 2: Convert to fraction form
4,940,839.10/6,816,803.66 = 2,765,036.54/x - Step 3: Cross multiply
4,940,839.10x = 6,816,803.66 × 2,765,036.54 - Step 4: Simplify right side
4,940,839.10x = 18,848,711,205,905.74 - Step 5: Solve for x
x = 18,848,711,205,905.74/4,940,839.10 - Step 6: Final answer
x = 3,814,880.60
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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.