Finding the Fourth Proportional to 3,362,757.24, 4,640,707.55 and 1,912,661.63
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Solution
The fourth proportional to 3,362,757.24, 4,640,707.55 and 1,912,661.63 is: 2,639,531.38
Step by Step Solution
- Step 1: Write the proportion equation
3,362,757.24 : 4,640,707.55 = 1,912,661.63 : x - Step 2: Convert to fraction form
3,362,757.24/4,640,707.55 = 1,912,661.63/x - Step 3: Cross multiply
3,362,757.24x = 4,640,707.55 × 1,912,661.63 - Step 4: Simplify right side
3,362,757.24x = 8,876,103,266,936.31 - Step 5: Solve for x
x = 8,876,103,266,936.31/3,362,757.24 - Step 6: Final answer
x = 2,639,531.38
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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.