Finding the Fourth Proportional to 3,685,336.40, 5,085,769.11 and 2,053,707.97
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Solution
The fourth proportional to 3,685,336.40, 5,085,769.11 and 2,053,707.97 is: 2,834,119.72
Step by Step Solution
- Step 1: Write the proportion equation
3,685,336.40 : 5,085,769.11 = 2,053,707.97 : x - Step 2: Convert to fraction form
3,685,336.40/5,085,769.11 = 2,053,707.97/x - Step 3: Cross multiply
3,685,336.40x = 5,085,769.11 × 2,053,707.97 - Step 4: Simplify right side
3,685,336.40x = 10,444,684,554,786.81 - Step 5: Solve for x
x = 10,444,684,554,786.81/3,685,336.40 - Step 6: Final answer
x = 2,834,119.72
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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.