Finding the Fourth Proportional to 2,516,354.10, 3,771,383.49 and 1,981,763.82
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Solution
The fourth proportional to 2,516,354.10, 3,771,383.49 and 1,981,763.82 is: 2,970,166.78
Step by Step Solution
- Step 1: Write the proportion equation
2,516,354.10 : 3,771,383.49 = 1,981,763.82 : x - Step 2: Convert to fraction form
2,516,354.10/3,771,383.49 = 1,981,763.82/x - Step 3: Cross multiply
2,516,354.10x = 3,771,383.49 × 1,981,763.82 - Step 4: Simplify right side
2,516,354.10x = 7,473,991,351,827.33 - Step 5: Solve for x
x = 7,473,991,351,827.33/2,516,354.10 - Step 6: Final answer
x = 2,970,166.78
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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.