Finding the Fourth Proportional to 3,268,634.22, 4,500,447.71 and 2,777,567.99
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Solution
The fourth proportional to 3,268,634.22, 4,500,447.71 and 2,777,567.99 is: 3,824,318.85
Step by Step Solution
- Step 1: Write the proportion equation
3,268,634.22 : 4,500,447.71 = 2,777,567.99 : x - Step 2: Convert to fraction form
3,268,634.22/4,500,447.71 = 2,777,567.99/x - Step 3: Cross multiply
3,268,634.22x = 4,500,447.71 × 2,777,567.99 - Step 4: Simplify right side
3,268,634.22x = 12,500,299,463,574.72 - Step 5: Solve for x
x = 12,500,299,463,574.72/3,268,634.22 - Step 6: Final answer
x = 3,824,318.85
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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.