Finding the Fourth Proportional to 3,683,990.97, 5,081,961.47 and 2,536,078.41
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Solution
The fourth proportional to 3,683,990.97, 5,081,961.47 and 2,536,078.41 is: 3,498,448.52
Step by Step Solution
- Step 1: Write the proportion equation
3,683,990.97 : 5,081,961.47 = 2,536,078.41 : x - Step 2: Convert to fraction form
3,683,990.97/5,081,961.47 = 2,536,078.41/x - Step 3: Cross multiply
3,683,990.97x = 5,081,961.47 × 2,536,078.41 - Step 4: Simplify right side
3,683,990.97x = 12,888,252,751,838.47 - Step 5: Solve for x
x = 12,888,252,751,838.47/3,683,990.97 - Step 6: Final answer
x = 3,498,448.52
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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.