Finding the Fourth Proportional to 3,075,467.97, 4,244,128.92 and 1,698,906.39
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Solution
The fourth proportional to 3,075,467.97, 4,244,128.92 and 1,698,906.39 is: 2,344,481.49
Step by Step Solution
- Step 1: Write the proportion equation
3,075,467.97 : 4,244,128.92 = 1,698,906.39 : x - Step 2: Convert to fraction form
3,075,467.97/4,244,128.92 = 1,698,906.39/x - Step 3: Cross multiply
3,075,467.97x = 4,244,128.92 × 1,698,906.39 - Step 4: Simplify right side
3,075,467.97x = 7,210,377,742,171.80 - Step 5: Solve for x
x = 7,210,377,742,171.80/3,075,467.97 - Step 6: Final answer
x = 2,344,481.49
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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.