Finding the Fourth Proportional to 5,467,615.20, 8,201,422.80 and 4,457,877.30
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Solution
The fourth proportional to 5,467,615.20, 8,201,422.80 and 4,457,877.30 is: 6,686,815.95
Step by Step Solution
- Step 1: Write the proportion equation
5,467,615.20 : 8,201,422.80 = 4,457,877.30 : x - Step 2: Convert to fraction form
5,467,615.20/8,201,422.80 = 4,457,877.30/x - Step 3: Cross multiply
5,467,615.20x = 8,201,422.80 × 4,457,877.30 - Step 4: Simplify right side
5,467,615.20x = 36,560,936,527,822.44 - Step 5: Solve for x
x = 36,560,936,527,822.44/5,467,615.20 - Step 6: Final answer
x = 6,686,815.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.