Finding the Fourth Proportional to 3,726,720.88, 5,142,843.86 and 2,095,135.49
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Solution
The fourth proportional to 3,726,720.88, 5,142,843.86 and 2,095,135.49 is: 2,891,269.58
Step by Step Solution
- Step 1: Write the proportion equation
3,726,720.88 : 5,142,843.86 = 2,095,135.49 : x - Step 2: Convert to fraction form
3,726,720.88/5,142,843.86 = 2,095,135.49/x - Step 3: Cross multiply
3,726,720.88x = 5,142,843.86 × 2,095,135.49 - Step 4: Simplify right side
3,726,720.88x = 10,774,954,692,996.02 - Step 5: Solve for x
x = 10,774,954,692,996.02/3,726,720.88 - Step 6: Final answer
x = 2,891,269.58
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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.