Finding the Fourth Proportional to 5,700,917.54, 7,867,168.97 and 3,087,400.44
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Solution
The fourth proportional to 5,700,917.54, 7,867,168.97 and 3,087,400.44 is: 4,260,559.95
Step by Step Solution
- Step 1: Write the proportion equation
5,700,917.54 : 7,867,168.97 = 3,087,400.44 : x - Step 2: Convert to fraction form
5,700,917.54/7,867,168.97 = 3,087,400.44/x - Step 3: Cross multiply
5,700,917.54x = 7,867,168.97 × 3,087,400.44 - Step 4: Simplify right side
5,700,917.54x = 24,289,100,926,711.03 - Step 5: Solve for x
x = 24,289,100,926,711.03/5,700,917.54 - Step 6: Final answer
x = 4,260,559.95
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1.5x scale
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.