Finding the Fourth Proportional to 5,183,682.38, 7,153,484.76 and 2,891,843.06
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Solution
The fourth proportional to 5,183,682.38, 7,153,484.76 and 2,891,843.06 is: 3,990,745.14
Step by Step Solution
- Step 1: Write the proportion equation
5,183,682.38 : 7,153,484.76 = 2,891,843.06 : x - Step 2: Convert to fraction form
5,183,682.38/7,153,484.76 = 2,891,843.06/x - Step 3: Cross multiply
5,183,682.38x = 7,153,484.76 × 2,891,843.06 - Step 4: Simplify right side
5,183,682.38x = 20,686,755,258,021.77 - Step 5: Solve for x
x = 20,686,755,258,021.77/5,183,682.38 - Step 6: Final answer
x = 3,990,745.14
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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.