Finding the Fourth Proportional to 3,263,358.99, 4,503,171.06 and 1,886,791.11
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Solution
The fourth proportional to 3,263,358.99, 4,503,171.06 and 1,886,791.11 is: 2,603,618.89
Step by Step Solution
- Step 1: Write the proportion equation
3,263,358.99 : 4,503,171.06 = 1,886,791.11 : x - Step 2: Convert to fraction form
3,263,358.99/4,503,171.06 = 1,886,791.11/x - Step 3: Cross multiply
3,263,358.99x = 4,503,171.06 × 1,886,791.11 - Step 4: Simplify right side
3,263,358.99x = 8,496,543,122,817.28 - Step 5: Solve for x
x = 8,496,543,122,817.28/3,263,358.99 - Step 6: Final answer
x = 2,603,618.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.