Finding the Fourth Proportional to 5,453,488.18, 7,529,819.73 and 3,520,877.62
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Solution
The fourth proportional to 5,453,488.18, 7,529,819.73 and 3,520,877.62 is: 4,861,397.49
Step by Step Solution
- Step 1: Write the proportion equation
5,453,488.18 : 7,529,819.73 = 3,520,877.62 : x - Step 2: Convert to fraction form
5,453,488.18/7,529,819.73 = 3,520,877.62/x - Step 3: Cross multiply
5,453,488.18x = 7,529,819.73 × 3,520,877.62 - Step 4: Simplify right side
5,453,488.18x = 26,511,573,769,991.45 - Step 5: Solve for x
x = 26,511,573,769,991.45/5,453,488.18 - Step 6: Final answer
x = 4,861,397.49
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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.