Finding the Fourth Proportional to 3,929,349.42, 5,419,579.26 and 3,469,652.94
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Solution
The fourth proportional to 3,929,349.42, 5,419,579.26 and 3,469,652.94 is: 4,785,540.07
Step by Step Solution
- Step 1: Write the proportion equation
3,929,349.42 : 5,419,579.26 = 3,469,652.94 : x - Step 2: Convert to fraction form
3,929,349.42/5,419,579.26 = 3,469,652.94/x - Step 3: Cross multiply
3,929,349.42x = 5,419,579.26 × 3,469,652.94 - Step 4: Simplify right side
3,929,349.42x = 18,804,059,113,022.02 - Step 5: Solve for x
x = 18,804,059,113,022.02/3,929,349.42 - Step 6: Final answer
x = 4,785,540.07
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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.