Finding the Fourth Proportional to 2,336,208.75, 3,223,968.21 and 1,263,120.75
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Solution
The fourth proportional to 2,336,208.75, 3,223,968.21 and 1,263,120.75 is: 1,743,106.71
Step by Step Solution
- Step 1: Write the proportion equation
2,336,208.75 : 3,223,968.21 = 1,263,120.75 : x - Step 2: Convert to fraction form
2,336,208.75/3,223,968.21 = 1,263,120.75/x - Step 3: Cross multiply
2,336,208.75x = 3,223,968.21 × 1,263,120.75 - Step 4: Simplify right side
2,336,208.75x = 4,072,261,143,391.36 - Step 5: Solve for x
x = 4,072,261,143,391.36/2,336,208.75 - Step 6: Final answer
x = 1,743,106.71
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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.