Finding the Fourth Proportional to 4,000,562.59, 5,520,793.98 and 2,165,021.14
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Solution
The fourth proportional to 4,000,562.59, 5,520,793.98 and 2,165,021.14 is: 2,987,738.70
Step by Step Solution
- Step 1: Write the proportion equation
4,000,562.59 : 5,520,793.98 = 2,165,021.14 : x - Step 2: Convert to fraction form
4,000,562.59/5,520,793.98 = 2,165,021.14/x - Step 3: Cross multiply
4,000,562.59x = 5,520,793.98 × 2,165,021.14 - Step 4: Simplify right side
4,000,562.59x = 11,952,635,699,676.53 - Step 5: Solve for x
x = 11,952,635,699,676.53/4,000,562.59 - Step 6: Final answer
x = 2,987,738.70
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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.