Finding the Fourth Proportional to 2,206,910.70, 3,310,366.05 and 1,647,038.70
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Solution
The fourth proportional to 2,206,910.70, 3,310,366.05 and 1,647,038.70 is: 2,470,558.05
Step by Step Solution
- Step 1: Write the proportion equation
2,206,910.70 : 3,310,366.05 = 1,647,038.70 : x - Step 2: Convert to fraction form
2,206,910.70/3,310,366.05 = 1,647,038.70/x - Step 3: Cross multiply
2,206,910.70x = 3,310,366.05 × 1,647,038.70 - Step 4: Simplify right side
2,206,910.70x = 5,452,300,995,516.14 - Step 5: Solve for x
x = 5,452,300,995,516.14/2,206,910.70 - Step 6: Final answer
x = 2,470,558.05
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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.