Finding the Fourth Proportional to 1,593,936.81, 2,199,532.91 and 878,544.81
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Solution
The fourth proportional to 1,593,936.81, 2,199,532.91 and 878,544.81 is: 1,212,336.78
Step by Step Solution
- Step 1: Write the proportion equation
1,593,936.81 : 2,199,532.91 = 878,544.81 : x - Step 2: Convert to fraction form
1,593,936.81/2,199,532.91 = 878,544.81/x - Step 3: Cross multiply
1,593,936.81x = 2,199,532.91 × 878,544.81 - Step 4: Simplify right side
1,593,936.81x = 1,932,388,218,111.97 - Step 5: Solve for x
x = 1,932,388,218,111.97/1,593,936.81 - Step 6: Final answer
x = 1,212,336.78
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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.