Finding the Fourth Proportional to 5,258,220.88, 7,256,349.60 and 2,843,772.88
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Solution
The fourth proportional to 5,258,220.88, 7,256,349.60 and 2,843,772.88 is: 3,924,409.16
Step by Step Solution
- Step 1: Write the proportion equation
5,258,220.88 : 7,256,349.60 = 2,843,772.88 : x - Step 2: Convert to fraction form
5,258,220.88/7,256,349.60 = 2,843,772.88/x - Step 3: Cross multiply
5,258,220.88x = 7,256,349.60 × 2,843,772.88 - Step 4: Simplify right side
5,258,220.88x = 20,635,410,200,278.85 - Step 5: Solve for x
x = 20,635,410,200,278.85/5,258,220.88 - Step 6: Final answer
x = 3,924,409.16
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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.