Finding the Fourth Proportional to 4,686,311.91, 6,467,389.34 and 2,649,310.95
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Solution
The fourth proportional to 4,686,311.91, 6,467,389.34 and 2,649,310.95 is: 3,656,206.78
Step by Step Solution
- Step 1: Write the proportion equation
4,686,311.91 : 6,467,389.34 = 2,649,310.95 : x - Step 2: Convert to fraction form
4,686,311.91/6,467,389.34 = 2,649,310.95/x - Step 3: Cross multiply
4,686,311.91x = 6,467,389.34 × 2,649,310.95 - Step 4: Simplify right side
4,686,311.91x = 17,134,125,383,128.72 - Step 5: Solve for x
x = 17,134,125,383,128.72/4,686,311.91 - Step 6: Final answer
x = 3,656,206.78
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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.