Finding the Fourth Proportional to 5,440,625.80, 8,161,245.90 and 1,654,232.20
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Solution
The fourth proportional to 5,440,625.80, 8,161,245.90 and 1,654,232.20 is: 2,481,441.70
Step by Step Solution
- Step 1: Write the proportion equation
5,440,625.80 : 8,161,245.90 = 1,654,232.20 : x - Step 2: Convert to fraction form
5,440,625.80/8,161,245.90 = 1,654,232.20/x - Step 3: Cross multiply
5,440,625.80x = 8,161,245.90 × 1,654,232.20 - Step 4: Simplify right side
5,440,625.80x = 13,500,595,759,897.98 - Step 5: Solve for x
x = 13,500,595,759,897.98/5,440,625.80 - Step 6: Final answer
x = 2,481,441.70
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1.5x scale
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.