Finding the Fourth Proportional to 1,637,974.38, 2,260,305.21 and 902,896.44
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Solution
The fourth proportional to 1,637,974.38, 2,260,305.21 and 902,896.44 is: 1,245,942.28
Step by Step Solution
- Step 1: Write the proportion equation
1,637,974.38 : 2,260,305.21 = 902,896.44 : x - Step 2: Convert to fraction form
1,637,974.38/2,260,305.21 = 902,896.44/x - Step 3: Cross multiply
1,637,974.38x = 2,260,305.21 × 902,896.44 - Step 4: Simplify right side
1,637,974.38x = 2,040,821,527,422.45 - Step 5: Solve for x
x = 2,040,821,527,422.45/1,637,974.38 - Step 6: Final answer
x = 1,245,942.28
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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.