Finding the Fourth Proportional to 2,981,302.07, 4,463,125.16 and 1,840,395.81
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Solution
The fourth proportional to 2,981,302.07, 4,463,125.16 and 1,840,395.81 is: 2,755,144.11
Step by Step Solution
- Step 1: Write the proportion equation
2,981,302.07 : 4,463,125.16 = 1,840,395.81 : x - Step 2: Convert to fraction form
2,981,302.07/4,463,125.16 = 1,840,395.81/x - Step 3: Cross multiply
2,981,302.07x = 4,463,125.16 × 1,840,395.81 - Step 4: Simplify right side
2,981,302.07x = 8,213,916,823,609.79 - Step 5: Solve for x
x = 8,213,916,823,609.79/2,981,302.07 - Step 6: Final answer
x = 2,755,144.11
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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.