Finding the Fourth Proportional to 5,755,169.21, 7,940,247.32 and 4,101,576.80
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Solution
The fourth proportional to 5,755,169.21, 7,940,247.32 and 4,101,576.80 is: 5,658,831.73
Step by Step Solution
- Step 1: Write the proportion equation
5,755,169.21 : 7,940,247.32 = 4,101,576.80 : x - Step 2: Convert to fraction form
5,755,169.21/7,940,247.32 = 4,101,576.80/x - Step 3: Cross multiply
5,755,169.21x = 7,940,247.32 × 4,101,576.80 - Step 4: Simplify right side
5,755,169.21x = 32,567,534,133,765.05 - Step 5: Solve for x
x = 32,567,534,133,765.05/5,755,169.21 - Step 6: Final answer
x = 5,658,831.73
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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.