Finding the Fourth Proportional to 5,120,697.97, 7,682,154.12 and 2,724,194.31
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Solution
The fourth proportional to 5,120,697.97, 7,682,154.12 and 2,724,194.31 is: 4,086,880.47
Step by Step Solution
- Step 1: Write the proportion equation
5,120,697.97 : 7,682,154.12 = 2,724,194.31 : x - Step 2: Convert to fraction form
5,120,697.97/7,682,154.12 = 2,724,194.31/x - Step 3: Cross multiply
5,120,697.97x = 7,682,154.12 × 2,724,194.31 - Step 4: Simplify right side
5,120,697.97x = 20,927,680,542,247.06 - Step 5: Solve for x
x = 20,927,680,542,247.06/5,120,697.97 - Step 6: Final answer
x = 4,086,880.47
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1.5x scale
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.