Finding the Fourth Proportional to 4,896,490.20, 7,347,149.10 and 2,202,721.80
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Solution
The fourth proportional to 4,896,490.20, 7,347,149.10 and 2,202,721.80 is: 3,305,168.57
Step by Step Solution
- Step 1: Write the proportion equation
4,896,490.20 : 7,347,149.10 = 2,202,721.80 : x - Step 2: Convert to fraction form
4,896,490.20/7,347,149.10 = 2,202,721.80/x - Step 3: Cross multiply
4,896,490.20x = 7,347,149.10 × 2,202,721.80 - Step 4: Simplify right side
4,896,490.20x = 16,183,725,490,420.38 - Step 5: Solve for x
x = 16,183,725,490,420.38/4,896,490.20 - Step 6: Final answer
x = 3,305,168.57
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.