Finding the Fourth Proportional to 2,416,615.40, 3,624,807.90 and 819,021.80
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Solution
The fourth proportional to 2,416,615.40, 3,624,807.90 and 819,021.80 is: 1,228,493.66
Step by Step Solution
- Step 1: Write the proportion equation
2,416,615.40 : 3,624,807.90 = 819,021.80 : x - Step 2: Convert to fraction form
2,416,615.40/3,624,807.90 = 819,021.80/x - Step 3: Cross multiply
2,416,615.40x = 3,624,807.90 × 819,021.80 - Step 4: Simplify right side
2,416,615.40x = 2,968,796,690,912.22 - Step 5: Solve for x
x = 2,968,796,690,912.22/2,416,615.40 - Step 6: Final answer
x = 1,228,493.66
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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.