Finding the Fourth Proportional to 2,560,478.76, 3,840,668.70 and 764,579.08
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Solution
The fourth proportional to 2,560,478.76, 3,840,668.70 and 764,579.08 is: 1,146,853.86
Step by Step Solution
- Step 1: Write the proportion equation
2,560,478.76 : 3,840,668.70 = 764,579.08 : x - Step 2: Convert to fraction form
2,560,478.76/3,840,668.70 = 764,579.08/x - Step 3: Cross multiply
2,560,478.76x = 3,840,668.70 × 764,579.08 - Step 4: Simplify right side
2,560,478.76x = 2,936,494,941,230.80 - Step 5: Solve for x
x = 2,936,494,941,230.80/2,560,478.76 - Step 6: Final answer
x = 1,146,853.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.