Finding the Fourth Proportional to 5,042,662.26, 6,959,202.81 and 2,867,407.86
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Solution
The fourth proportional to 5,042,662.26, 6,959,202.81 and 2,867,407.86 is: 3,957,209.86
Step by Step Solution
- Step 1: Write the proportion equation
5,042,662.26 : 6,959,202.81 = 2,867,407.86 : x - Step 2: Convert to fraction form
5,042,662.26/6,959,202.81 = 2,867,407.86/x - Step 3: Cross multiply
5,042,662.26x = 6,959,202.81 × 2,867,407.86 - Step 4: Simplify right side
5,042,662.26x = 19,954,872,836,728.09 - Step 5: Solve for x
x = 19,954,872,836,728.09/5,042,662.26 - Step 6: Final answer
x = 3,957,209.86
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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.