Finding the Fourth Proportional to 5,918,851.28, 8,168,042.76 and 3,340,640.72
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Solution
The fourth proportional to 5,918,851.28, 8,168,042.76 and 3,340,640.72 is: 4,610,099.99
Step by Step Solution
- Step 1: Write the proportion equation
5,918,851.28 : 8,168,042.76 = 3,340,640.72 : x - Step 2: Convert to fraction form
5,918,851.28/8,168,042.76 = 3,340,640.72/x - Step 3: Cross multiply
5,918,851.28x = 8,168,042.76 × 3,340,640.72 - Step 4: Simplify right side
5,918,851.28x = 27,286,496,246,757.19 - Step 5: Solve for x
x = 27,286,496,246,757.19/5,918,851.28 - Step 6: Final answer
x = 4,610,099.99
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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.