Finding the Fourth Proportional to 3,269,101.47, 4,904,755.74 and 1,447,215.14
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Solution
The fourth proportional to 3,269,101.47, 4,904,755.74 and 1,447,215.14 is: 2,171,311.23
Step by Step Solution
- Step 1: Write the proportion equation
3,269,101.47 : 4,904,755.74 = 1,447,215.14 : x - Step 2: Convert to fraction form
3,269,101.47/4,904,755.74 = 1,447,215.14/x - Step 3: Cross multiply
3,269,101.47x = 4,904,755.74 × 1,447,215.14 - Step 4: Simplify right side
3,269,101.47x = 7,098,236,740,406.13 - Step 5: Solve for x
x = 7,098,236,740,406.13/3,269,101.47 - Step 6: Final answer
x = 2,171,311.23
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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.