Finding the Fourth Proportional to 5,905,373.09, 8,149,414.97 and 3,189,119.09
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Solution
The fourth proportional to 5,905,373.09, 8,149,414.97 and 3,189,119.09 is: 4,400,984.40
Step by Step Solution
- Step 1: Write the proportion equation
5,905,373.09 : 8,149,414.97 = 3,189,119.09 : x - Step 2: Convert to fraction form
5,905,373.09/8,149,414.97 = 3,189,119.09/x - Step 3: Cross multiply
5,905,373.09x = 8,149,414.97 × 3,189,119.09 - Step 4: Simplify right side
5,905,373.09x = 25,989,454,820,384.50 - Step 5: Solve for x
x = 25,989,454,820,384.50/5,905,373.09 - Step 6: Final answer
x = 4,400,984.40
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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.