Finding the Fourth Proportional to 3,256,122.56, 4,493,725.16 and 1,806,285.13
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Solution
The fourth proportional to 3,256,122.56, 4,493,725.16 and 1,806,285.13 is: 2,492,826.60
Step by Step Solution
- Step 1: Write the proportion equation
3,256,122.56 : 4,493,725.16 = 1,806,285.13 : x - Step 2: Convert to fraction form
3,256,122.56/4,493,725.16 = 1,806,285.13/x - Step 3: Cross multiply
3,256,122.56x = 4,493,725.16 × 1,806,285.13 - Step 4: Simplify right side
3,256,122.56x = 8,116,948,914,549.13 - Step 5: Solve for x
x = 8,116,948,914,549.13/3,256,122.56 - Step 6: Final answer
x = 2,492,826.60
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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.