Finding the Fourth Proportional to 3,617,614.63, 4,992,119.94 and 2,147,583.97
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Solution
The fourth proportional to 3,617,614.63, 4,992,119.94 and 2,147,583.97 is: 2,963,554.13
Step by Step Solution
- Step 1: Write the proportion equation
3,617,614.63 : 4,992,119.94 = 2,147,583.97 : x - Step 2: Convert to fraction form
3,617,614.63/4,992,119.94 = 2,147,583.97/x - Step 3: Cross multiply
3,617,614.63x = 4,992,119.94 × 2,147,583.97 - Step 4: Simplify right side
3,617,614.63x = 10,720,996,759,461.36 - Step 5: Solve for x
x = 10,720,996,759,461.36/3,617,614.63 - Step 6: Final answer
x = 2,963,554.13
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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.