Finding the Fourth Proportional to 2,157,886.12, 3,236,828.28 and 641,562.49
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Solution
The fourth proportional to 2,157,886.12, 3,236,828.28 and 641,562.49 is: 962,343.47
Step by Step Solution
- Step 1: Write the proportion equation
2,157,886.12 : 3,236,828.28 = 641,562.49 : x - Step 2: Convert to fraction form
2,157,886.12/3,236,828.28 = 641,562.49/x - Step 3: Cross multiply
2,157,886.12x = 3,236,828.28 × 641,562.49 - Step 4: Simplify right side
2,157,886.12x = 2,076,627,611,019.22 - Step 5: Solve for x
x = 2,076,627,611,019.22/2,157,886.12 - Step 6: Final answer
x = 962,343.47
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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.