Finding the Fourth Proportional to 3,620,351.20, 5,425,861.20 and 2,774,711.20
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Solution
The fourth proportional to 3,620,351.20, 5,425,861.20 and 2,774,711.20 is: 4,158,490.99
Step by Step Solution
- Step 1: Write the proportion equation
3,620,351.20 : 5,425,861.20 = 2,774,711.20 : x - Step 2: Convert to fraction form
3,620,351.20/5,425,861.20 = 2,774,711.20/x - Step 3: Cross multiply
3,620,351.20x = 5,425,861.20 × 2,774,711.20 - Step 4: Simplify right side
3,620,351.20x = 15,055,197,841,285.44 - Step 5: Solve for x
x = 15,055,197,841,285.44/3,620,351.20 - Step 6: Final answer
x = 4,158,490.99
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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.