Finding the Fourth Proportional to 1,728,942.12, 2,385,720 and 965,027.88
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Solution
The fourth proportional to 1,728,942.12, 2,385,720 and 965,027.88 is: 1,331,615.61
Step by Step Solution
- Step 1: Write the proportion equation
1,728,942.12 : 2,385,720 = 965,027.88 : x - Step 2: Convert to fraction form
1,728,942.12/2,385,720 = 965,027.88/x - Step 3: Cross multiply
1,728,942.12x = 2,385,720 × 965,027.88 - Step 4: Simplify right side
1,728,942.12x = 2,302,286,313,873.60 - Step 5: Solve for x
x = 2,302,286,313,873.60/1,728,942.12 - Step 6: Final answer
x = 1,331,615.61
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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.