Finding the Fourth Proportional to 5,579,809.70, 8,369,714.55 and 2,391,163.70
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Solution
The fourth proportional to 5,579,809.70, 8,369,714.55 and 2,391,163.70 is: 3,586,745.55
Step by Step Solution
- Step 1: Write the proportion equation
5,579,809.70 : 8,369,714.55 = 2,391,163.70 : x - Step 2: Convert to fraction form
5,579,809.70/8,369,714.55 = 2,391,163.70/x - Step 3: Cross multiply
5,579,809.70x = 8,369,714.55 × 2,391,163.70 - Step 4: Simplify right side
5,579,809.70x = 20,013,357,611,321.84 - Step 5: Solve for x
x = 20,013,357,611,321.84/5,579,809.70 - Step 6: Final answer
x = 3,586,745.55
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Similar ratio
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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.