Finding the Fourth Proportional to 3,243,912.99, 4,865,869.49 and 1,222,610.60
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Solution
The fourth proportional to 3,243,912.99, 4,865,869.49 and 1,222,610.60 is: 1,833,915.89
Step by Step Solution
- Step 1: Write the proportion equation
3,243,912.99 : 4,865,869.49 = 1,222,610.60 : x - Step 2: Convert to fraction form
3,243,912.99/4,865,869.49 = 1,222,610.60/x - Step 3: Cross multiply
3,243,912.99x = 4,865,869.49 × 1,222,610.60 - Step 4: Simplify right side
3,243,912.99x = 5,949,063,586,248.19 - Step 5: Solve for x
x = 5,949,063,586,248.19/3,243,912.99 - Step 6: Final answer
x = 1,833,915.89
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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.