Finding the Fourth Proportional to 5,398,140.24, 7,449,433.88 and 2,950,760.97
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Solution
The fourth proportional to 5,398,140.24, 7,449,433.88 and 2,950,760.97 is: 4,072,050.33
Step by Step Solution
- Step 1: Write the proportion equation
5,398,140.24 : 7,449,433.88 = 2,950,760.97 : x - Step 2: Convert to fraction form
5,398,140.24/7,449,433.88 = 2,950,760.97/x - Step 3: Cross multiply
5,398,140.24x = 7,449,433.88 × 2,950,760.97 - Step 4: Simplify right side
5,398,140.24x = 21,981,498,741,699.66 - Step 5: Solve for x
x = 21,981,498,741,699.66/5,398,140.24 - Step 6: Final answer
x = 4,072,050.33
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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.