Finding the Fourth Proportional to 2,905,227.86, 4,358,338.11 and 1,198,438.11
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Solution
The fourth proportional to 2,905,227.86, 4,358,338.11 and 1,198,438.11 is: 1,797,861.91
Step by Step Solution
- Step 1: Write the proportion equation
2,905,227.86 : 4,358,338.11 = 1,198,438.11 : x - Step 2: Convert to fraction form
2,905,227.86/4,358,338.11 = 1,198,438.11/x - Step 3: Cross multiply
2,905,227.86x = 4,358,338.11 × 1,198,438.11 - Step 4: Simplify right side
2,905,227.86x = 5,223,198,487,289.37 - Step 5: Solve for x
x = 5,223,198,487,289.37/2,905,227.86 - Step 6: Final answer
x = 1,797,861.91
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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.