Finding the Fourth Proportional to 4,907,513.43, 6,767,959.41 and 3,072,138.84
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Solution
The fourth proportional to 4,907,513.43, 6,767,959.41 and 3,072,138.84 is: 4,236,791.46
Step by Step Solution
- Step 1: Write the proportion equation
4,907,513.43 : 6,767,959.41 = 3,072,138.84 : x - Step 2: Convert to fraction form
4,907,513.43/6,767,959.41 = 3,072,138.84/x - Step 3: Cross multiply
4,907,513.43x = 6,767,959.41 × 3,072,138.84 - Step 4: Simplify right side
4,907,513.43x = 20,792,110,971,004.48 - Step 5: Solve for x
x = 20,792,110,971,004.48/4,907,513.43 - Step 6: Final answer
x = 4,236,791.46
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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.