Finding the Fourth Proportional to 3,149,382.60, 4,725,240.30 and 1,257,481.80
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Solution
The fourth proportional to 3,149,382.60, 4,725,240.30 and 1,257,481.80 is: 1,886,688.42
Step by Step Solution
- Step 1: Write the proportion equation
3,149,382.60 : 4,725,240.30 = 1,257,481.80 : x - Step 2: Convert to fraction form
3,149,382.60/4,725,240.30 = 1,257,481.80/x - Step 3: Cross multiply
3,149,382.60x = 4,725,240.30 × 1,257,481.80 - Step 4: Simplify right side
3,149,382.60x = 5,941,903,677,876.54 - Step 5: Solve for x
x = 5,941,903,677,876.54/3,149,382.60 - Step 6: Final answer
x = 1,886,688.42
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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.