Finding the Fourth Proportional to 2,311,769.87, 3,190,194.67 and 1,279,276.99
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Solution
The fourth proportional to 2,311,769.87, 3,190,194.67 and 1,279,276.99 is: 1,765,375.83
Step by Step Solution
- Step 1: Write the proportion equation
2,311,769.87 : 3,190,194.67 = 1,279,276.99 : x - Step 2: Convert to fraction form
2,311,769.87/3,190,194.67 = 1,279,276.99/x - Step 3: Cross multiply
2,311,769.87x = 3,190,194.67 × 1,279,276.99 - Step 4: Simplify right side
2,311,769.87x = 4,081,142,644,121.45 - Step 5: Solve for x
x = 4,081,142,644,121.45/2,311,769.87 - Step 6: Final answer
x = 1,765,375.83
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.