Finding the Fourth Proportional to 5,273,708.70, 7,910,563.05 and 1,284,620.70
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Solution
The fourth proportional to 5,273,708.70, 7,910,563.05 and 1,284,620.70 is: 1,926,931.05
Step by Step Solution
- Step 1: Write the proportion equation
5,273,708.70 : 7,910,563.05 = 1,284,620.70 : x - Step 2: Convert to fraction form
5,273,708.70/7,910,563.05 = 1,284,620.70/x - Step 3: Cross multiply
5,273,708.70x = 7,910,563.05 × 1,284,620.70 - Step 4: Simplify right side
5,273,708.70x = 10,162,073,042,685.13 - Step 5: Solve for x
x = 10,162,073,042,685.13/5,273,708.70 - Step 6: Final answer
x = 1,926,931.05
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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.