Finding the Fourth Proportional to 2,000,785.40, 2,999,136.90 and 988,350.20
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Solution
The fourth proportional to 2,000,785.40, 2,999,136.90 and 988,350.20 is: 1,481,516.99
Step by Step Solution
- Step 1: Write the proportion equation
2,000,785.40 : 2,999,136.90 = 988,350.20 : x - Step 2: Convert to fraction form
2,000,785.40/2,999,136.90 = 988,350.20/x - Step 3: Cross multiply
2,000,785.40x = 2,999,136.90 × 988,350.20 - Step 4: Simplify right side
2,000,785.40x = 2,964,197,554,942.38 - Step 5: Solve for x
x = 2,964,197,554,942.38/2,000,785.40 - Step 6: Final answer
x = 1,481,516.99
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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.