Finding the Fourth Proportional to 3,886,576.70, 5,821,991.85 and 2,201,711.90
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Solution
The fourth proportional to 3,886,576.70, 5,821,991.85 and 2,201,711.90 is: 3,298,107.75
Step by Step Solution
- Step 1: Write the proportion equation
3,886,576.70 : 5,821,991.85 = 2,201,711.90 : x - Step 2: Convert to fraction form
3,886,576.70/5,821,991.85 = 2,201,711.90/x - Step 3: Cross multiply
3,886,576.70x = 5,821,991.85 × 2,201,711.90 - Step 4: Simplify right side
3,886,576.70x = 12,818,348,737,848.01 - Step 5: Solve for x
x = 12,818,348,737,848.01/3,886,576.70 - Step 6: Final answer
x = 3,298,107.75
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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.