Finding the Fourth Proportional to 3,634,994.99, 5,016,227.92 and 1,981,156.94
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Solution
The fourth proportional to 3,634,994.99, 5,016,227.92 and 1,981,156.94 is: 2,733,961.06
Step by Step Solution
- Step 1: Write the proportion equation
3,634,994.99 : 5,016,227.92 = 1,981,156.94 : x - Step 2: Convert to fraction form
3,634,994.99/5,016,227.92 = 1,981,156.94/x - Step 3: Cross multiply
3,634,994.99x = 5,016,227.92 × 1,981,156.94 - Step 4: Simplify right side
3,634,994.99x = 9,937,934,745,106.59 - Step 5: Solve for x
x = 9,937,934,745,106.59/3,634,994.99 - Step 6: Final answer
x = 2,733,961.06
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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.