Finding the Fourth Proportional to 4,896,615.20, 7,347,336.60 and 2,202,846.80
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Solution
The fourth proportional to 4,896,615.20, 7,347,336.60 and 2,202,846.80 is: 3,305,356.10
Step by Step Solution
- Step 1: Write the proportion equation
4,896,615.20 : 7,347,336.60 = 2,202,846.80 : x - Step 2: Convert to fraction form
4,896,615.20/7,347,336.60 = 2,202,846.80/x - Step 3: Cross multiply
4,896,615.20x = 7,347,336.60 × 2,202,846.80 - Step 4: Simplify right side
4,896,615.20x = 16,185,056,917,832.88 - Step 5: Solve for x
x = 16,185,056,917,832.88/4,896,615.20 - Step 6: Final answer
x = 3,305,356.10
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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.