Finding the Fourth Proportional to 3,675,295.31, 5,071,160.59 and 2,147,107.19
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Solution
The fourth proportional to 3,675,295.31, 5,071,160.59 and 2,147,107.19 is: 2,962,571.56
Step by Step Solution
- Step 1: Write the proportion equation
3,675,295.31 : 5,071,160.59 = 2,147,107.19 : x - Step 2: Convert to fraction form
3,675,295.31/5,071,160.59 = 2,147,107.19/x - Step 3: Cross multiply
3,675,295.31x = 5,071,160.59 × 2,147,107.19 - Step 4: Simplify right side
3,675,295.31x = 10,888,325,333,710.07 - Step 5: Solve for x
x = 10,888,325,333,710.07/3,675,295.31 - Step 6: Final answer
x = 2,962,571.56
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1.5x scale
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.