Finding the Fourth Proportional to 3,663,431.80, 5,491,269.33 and 1,232,270.62
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Solution
The fourth proportional to 3,663,431.80, 5,491,269.33 and 1,232,270.62 is: 1,847,101.36
Step by Step Solution
- Step 1: Write the proportion equation
3,663,431.80 : 5,491,269.33 = 1,232,270.62 : x - Step 2: Convert to fraction form
3,663,431.80/5,491,269.33 = 1,232,270.62/x - Step 3: Cross multiply
3,663,431.80x = 5,491,269.33 × 1,232,270.62 - Step 4: Simplify right side
3,663,431.80x = 6,766,729,861,866.09 - Step 5: Solve for x
x = 6,766,729,861,866.09/3,663,431.80 - Step 6: Final answer
x = 1,847,101.36
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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.