Finding the Fourth Proportional to 1,590,836.25, 2,195,403.43 and 902,537.09
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Solution
The fourth proportional to 1,590,836.25, 2,195,403.43 and 902,537.09 is: 1,245,529.22
Step by Step Solution
- Step 1: Write the proportion equation
1,590,836.25 : 2,195,403.43 = 902,537.09 : x - Step 2: Convert to fraction form
1,590,836.25/2,195,403.43 = 902,537.09/x - Step 3: Cross multiply
1,590,836.25x = 2,195,403.43 × 902,537.09 - Step 4: Simplify right side
1,590,836.25x = 1,981,433,026,320.38 - Step 5: Solve for x
x = 1,981,433,026,320.38/1,590,836.25 - Step 6: Final answer
x = 1,245,529.22
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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.