Finding the Fourth Proportional to 4,509,789.92, 6,223,798.32 and 2,979,213.92
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Solution
The fourth proportional to 4,509,789.92, 6,223,798.32 and 2,979,213.92 is: 4,111,505.62
Step by Step Solution
- Step 1: Write the proportion equation
4,509,789.92 : 6,223,798.32 = 2,979,213.92 : x - Step 2: Convert to fraction form
4,509,789.92/6,223,798.32 = 2,979,213.92/x - Step 3: Cross multiply
4,509,789.92x = 6,223,798.32 × 2,979,213.92 - Step 4: Simplify right side
4,509,789.92x = 18,542,026,590,216.61 - Step 5: Solve for x
x = 18,542,026,590,216.61/4,509,789.92 - Step 6: Final answer
x = 4,111,505.62
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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.