Finding the Fourth Proportional to 3,936,755.14, 5,905,132.79 and 944,939.14
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Solution
The fourth proportional to 3,936,755.14, 5,905,132.79 and 944,939.14 is: 1,417,408.73
Step by Step Solution
- Step 1: Write the proportion equation
3,936,755.14 : 5,905,132.79 = 944,939.14 : x - Step 2: Convert to fraction form
3,936,755.14/5,905,132.79 = 944,939.14/x - Step 3: Cross multiply
3,936,755.14x = 5,905,132.79 × 944,939.14 - Step 4: Simplify right side
3,936,755.14x = 5,579,991,100,168.40 - Step 5: Solve for x
x = 5,579,991,100,168.40/3,936,755.14 - Step 6: Final answer
x = 1,417,408.73
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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.