Finding the Fourth Proportional to 4,911,819.75, 6,778,092.56 and 2,736,308.79
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Solution
The fourth proportional to 4,911,819.75, 6,778,092.56 and 2,736,308.79 is: 3,775,984.30
Step by Step Solution
- Step 1: Write the proportion equation
4,911,819.75 : 6,778,092.56 = 2,736,308.79 : x - Step 2: Convert to fraction form
4,911,819.75/6,778,092.56 = 2,736,308.79/x - Step 3: Cross multiply
4,911,819.75x = 6,778,092.56 × 2,736,308.79 - Step 4: Simplify right side
4,911,819.75x = 18,546,954,237,680.06 - Step 5: Solve for x
x = 18,546,954,237,680.06/4,911,819.75 - Step 6: Final answer
x = 3,775,984.30
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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.