Finding the Fourth Proportional to 2,305,023.38, 3,180,704.91 and 1,272,464.13
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Solution
The fourth proportional to 2,305,023.38, 3,180,704.91 and 1,272,464.13 is: 1,755,874.99
Step by Step Solution
- Step 1: Write the proportion equation
2,305,023.38 : 3,180,704.91 = 1,272,464.13 : x - Step 2: Convert to fraction form
2,305,023.38/3,180,704.91 = 1,272,464.13/x - Step 3: Cross multiply
2,305,023.38x = 3,180,704.91 × 1,272,464.13 - Step 4: Simplify right side
2,305,023.38x = 4,047,332,906,089.88 - Step 5: Solve for x
x = 4,047,332,906,089.88/2,305,023.38 - Step 6: Final answer
x = 1,755,874.99
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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.