Finding the Fourth Proportional to 2,982,663.10, 4,116,251.49 and 2,246,318.65
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Solution
The fourth proportional to 2,982,663.10, 4,116,251.49 and 2,246,318.65 is: 3,100,052.61
Step by Step Solution
- Step 1: Write the proportion equation
2,982,663.10 : 4,116,251.49 = 2,246,318.65 : x - Step 2: Convert to fraction form
2,982,663.10/4,116,251.49 = 2,246,318.65/x - Step 3: Cross multiply
2,982,663.10x = 4,116,251.49 × 2,246,318.65 - Step 4: Simplify right side
2,982,663.10x = 9,246,412,517,329.37 - Step 5: Solve for x
x = 9,246,412,517,329.37/2,982,663.10 - Step 6: Final answer
x = 3,100,052.61
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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.