Finding the Fourth Proportional to 5,905,373.28, 8,149,415.23 and 3,189,119.28
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Solution
The fourth proportional to 5,905,373.28, 8,149,415.23 and 3,189,119.28 is: 4,400,984.66
Step by Step Solution
- Step 1: Write the proportion equation
5,905,373.28 : 8,149,415.23 = 3,189,119.28 : x - Step 2: Convert to fraction form
5,905,373.28/8,149,415.23 = 3,189,119.28/x - Step 3: Cross multiply
5,905,373.28x = 8,149,415.23 × 3,189,119.28 - Step 4: Simplify right side
5,905,373.28x = 25,989,457,204,144.73 - Step 5: Solve for x
x = 25,989,457,204,144.73/5,905,373.28 - Step 6: Final answer
x = 4,400,984.66
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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.