Finding the Fourth Proportional to 5,783,291.49, 7,981,259.92 and 3,204,916.91
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Solution
The fourth proportional to 5,783,291.49, 7,981,259.92 and 3,204,916.91 is: 4,422,961.37
Step by Step Solution
- Step 1: Write the proportion equation
5,783,291.49 : 7,981,259.92 = 3,204,916.91 : x - Step 2: Convert to fraction form
5,783,291.49/7,981,259.92 = 3,204,916.91/x - Step 3: Cross multiply
5,783,291.49x = 7,981,259.92 × 3,204,916.91 - Step 4: Simplify right side
5,783,291.49x = 25,579,274,880,752.04 - Step 5: Solve for x
x = 25,579,274,880,752.04/5,783,291.49 - Step 6: Final answer
x = 4,422,961.37
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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.