Finding the Fourth Proportional to 4,332,731.32, 5,979,505.86 and 2,399,171.80
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Solution
The fourth proportional to 4,332,731.32, 5,979,505.86 and 2,399,171.80 is: 3,311,043.49
Step by Step Solution
- Step 1: Write the proportion equation
4,332,731.32 : 5,979,505.86 = 2,399,171.80 : x - Step 2: Convert to fraction form
4,332,731.32/5,979,505.86 = 2,399,171.80/x - Step 3: Cross multiply
4,332,731.32x = 5,979,505.86 × 2,399,171.80 - Step 4: Simplify right side
4,332,731.32x = 14,345,861,837,246.75 - Step 5: Solve for x
x = 14,345,861,837,246.75/4,332,731.32 - Step 6: Final answer
x = 3,311,043.49
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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.