Finding the Fourth Proportional to 3,537,227.49, 4,881,105.09 and 1,988,243.06
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Solution
The fourth proportional to 3,537,227.49, 4,881,105.09 and 1,988,243.06 is: 2,743,624.30
Step by Step Solution
- Step 1: Write the proportion equation
3,537,227.49 : 4,881,105.09 = 1,988,243.06 : x - Step 2: Convert to fraction form
3,537,227.49/4,881,105.09 = 1,988,243.06/x - Step 3: Cross multiply
3,537,227.49x = 4,881,105.09 × 1,988,243.06 - Step 4: Simplify right side
3,537,227.49x = 9,704,823,295,917.65 - Step 5: Solve for x
x = 9,704,823,295,917.65/3,537,227.49 - Step 6: Final answer
x = 2,743,624.30
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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.