Finding the Fourth Proportional to 3,761,661.39, 5,192,681.95 and 2,539,622.28
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Solution
The fourth proportional to 3,761,661.39, 5,192,681.95 and 2,539,622.28 is: 3,505,751.70
Step by Step Solution
- Step 1: Write the proportion equation
3,761,661.39 : 5,192,681.95 = 2,539,622.28 : x - Step 2: Convert to fraction form
3,761,661.39/5,192,681.95 = 2,539,622.28/x - Step 3: Cross multiply
3,761,661.39x = 5,192,681.95 × 2,539,622.28 - Step 4: Simplify right side
3,761,661.39x = 13,187,450,795,820.93 - Step 5: Solve for x
x = 13,187,450,795,820.93/3,761,661.39 - Step 6: Final answer
x = 3,505,751.70
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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.