Finding the Fourth Proportional to 3,418,651.10, 5,126,083.50 and 1,398,313.68
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Solution
The fourth proportional to 3,418,651.10, 5,126,083.50 and 1,398,313.68 is: 2,096,696.17
Step by Step Solution
- Step 1: Write the proportion equation
3,418,651.10 : 5,126,083.50 = 1,398,313.68 : x - Step 2: Convert to fraction form
3,418,651.10/5,126,083.50 = 1,398,313.68/x - Step 3: Cross multiply
3,418,651.10x = 5,126,083.50 × 1,398,313.68 - Step 4: Simplify right side
3,418,651.10x = 7,167,872,682,872.28 - Step 5: Solve for x
x = 7,167,872,682,872.28/3,418,651.10 - Step 6: Final answer
x = 2,096,696.17
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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.