Finding the Fourth Proportional to 3,068,581.94, 4,236,457.37 and 2,728,107.75
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Solution
The fourth proportional to 3,068,581.94, 4,236,457.37 and 2,728,107.75 is: 3,766,401.68
Step by Step Solution
- Step 1: Write the proportion equation
3,068,581.94 : 4,236,457.37 = 2,728,107.75 : x - Step 2: Convert to fraction form
3,068,581.94/4,236,457.37 = 2,728,107.75/x - Step 3: Cross multiply
3,068,581.94x = 4,236,457.37 × 2,728,107.75 - Step 4: Simplify right side
3,068,581.94x = 11,557,512,170,001.08 - Step 5: Solve for x
x = 11,557,512,170,001.08/3,068,581.94 - Step 6: Final answer
x = 3,766,401.68
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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.