Finding the Fourth Proportional to 5,387,183.38, 7,434,471.36 and 2,939,952.52
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Solution
The fourth proportional to 5,387,183.38, 7,434,471.36 and 2,939,952.52 is: 4,057,220.86
Step by Step Solution
- Step 1: Write the proportion equation
5,387,183.38 : 7,434,471.36 = 2,939,952.52 : x - Step 2: Convert to fraction form
5,387,183.38/7,434,471.36 = 2,939,952.52/x - Step 3: Cross multiply
5,387,183.38x = 7,434,471.36 × 2,939,952.52 - Step 4: Simplify right side
5,387,183.38x = 21,856,992,809,699.83 - Step 5: Solve for x
x = 21,856,992,809,699.83/5,387,183.38 - Step 6: Final answer
x = 4,057,220.86
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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.