Finding the Fourth Proportional to 2,696,939.73, 3,721,889.94 and 1,551,020.97
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Solution
The fourth proportional to 2,696,939.73, 3,721,889.94 and 1,551,020.97 is: 2,140,473.99
Step by Step Solution
- Step 1: Write the proportion equation
2,696,939.73 : 3,721,889.94 = 1,551,020.97 : x - Step 2: Convert to fraction form
2,696,939.73/3,721,889.94 = 1,551,020.97/x - Step 3: Cross multiply
2,696,939.73x = 3,721,889.94 × 1,551,020.97 - Step 4: Simplify right side
2,696,939.73x = 5,772,729,344,972.04 - Step 5: Solve for x
x = 5,772,729,344,972.04/2,696,939.73 - Step 6: Final answer
x = 2,140,473.99
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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.