Finding the Fourth Proportional to 3,288,725.06, 4,538,458.78 and 1,838,481.62
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Solution
The fourth proportional to 3,288,725.06, 4,538,458.78 and 1,838,481.62 is: 2,537,114.80
Step by Step Solution
- Step 1: Write the proportion equation
3,288,725.06 : 4,538,458.78 = 1,838,481.62 : x - Step 2: Convert to fraction form
3,288,725.06/4,538,458.78 = 1,838,481.62/x - Step 3: Cross multiply
3,288,725.06x = 4,538,458.78 × 1,838,481.62 - Step 4: Simplify right side
3,288,725.06x = 8,343,873,022,869.13 - Step 5: Solve for x
x = 8,343,873,022,869.13/3,288,725.06 - Step 6: Final answer
x = 2,537,114.80
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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.