Finding the Fourth Proportional to 5,751,771.92, 8,627,660.76 and 1,965,291.92
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Solution
The fourth proportional to 5,751,771.92, 8,627,660.76 and 1,965,291.92 is: 2,947,938.86
Step by Step Solution
- Step 1: Write the proportion equation
5,751,771.92 : 8,627,660.76 = 1,965,291.92 : x - Step 2: Convert to fraction form
5,751,771.92/8,627,660.76 = 1,965,291.92/x - Step 3: Cross multiply
5,751,771.92x = 8,627,660.76 × 1,965,291.92 - Step 4: Simplify right side
5,751,771.92x = 16,955,871,980,129.06 - Step 5: Solve for x
x = 16,955,871,980,129.06/5,751,771.92 - Step 6: Final answer
x = 2,947,938.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.