Finding the Fourth Proportional to 5,289,138.63, 7,936,697.31 and 2,256,217.97
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Solution
The fourth proportional to 5,289,138.63, 7,936,697.31 and 2,256,217.97 is: 3,385,602.14
Step by Step Solution
- Step 1: Write the proportion equation
5,289,138.63 : 7,936,697.31 = 2,256,217.97 : x - Step 2: Convert to fraction form
5,289,138.63/7,936,697.31 = 2,256,217.97/x - Step 3: Cross multiply
5,289,138.63x = 7,936,697.31 × 2,256,217.97 - Step 4: Simplify right side
5,289,138.63x = 17,906,919,053,589.17 - Step 5: Solve for x
x = 17,906,919,053,589.17/5,289,138.63 - Step 6: Final answer
x = 3,385,602.14
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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.