Finding the Fourth Proportional to 4,940,984.71, 6,818,557.39 and 2,765,527.31
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Solution
The fourth proportional to 4,940,984.71, 6,818,557.39 and 2,765,527.31 is: 3,816,426.84
Step by Step Solution
- Step 1: Write the proportion equation
4,940,984.71 : 6,818,557.39 = 2,765,527.31 : x - Step 2: Convert to fraction form
4,940,984.71/6,818,557.39 = 2,765,527.31/x - Step 3: Cross multiply
4,940,984.71x = 6,818,557.39 × 2,765,527.31 - Step 4: Simplify right side
4,940,984.71x = 18,856,906,686,979.90 - Step 5: Solve for x
x = 18,856,906,686,979.90/4,940,984.71 - Step 6: Final answer
x = 3,816,426.84
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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.