Finding the Fourth Proportional to 3,223,629.94, 4,448,759.73 and 1,865,240.18
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Solution
The fourth proportional to 3,223,629.94, 4,448,759.73 and 1,865,240.18 is: 2,574,118.48
Step by Step Solution
- Step 1: Write the proportion equation
3,223,629.94 : 4,448,759.73 = 1,865,240.18 : x - Step 2: Convert to fraction form
3,223,629.94/4,448,759.73 = 1,865,240.18/x - Step 3: Cross multiply
3,223,629.94x = 4,448,759.73 × 1,865,240.18 - Step 4: Simplify right side
3,223,629.94x = 8,298,005,399,561.95 - Step 5: Solve for x
x = 8,298,005,399,561.95/3,223,629.94 - Step 6: Final answer
x = 2,574,118.48
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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.