Finding the Fourth Proportional to 5,132,850.08, 7,083,247.38 and 2,840,961.56
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Solution
The fourth proportional to 5,132,850.08, 7,083,247.38 and 2,840,961.56 is: 3,920,479.50
Step by Step Solution
- Step 1: Write the proportion equation
5,132,850.08 : 7,083,247.38 = 2,840,961.56 : x - Step 2: Convert to fraction form
5,132,850.08/7,083,247.38 = 2,840,961.56/x - Step 3: Cross multiply
5,132,850.08x = 7,083,247.38 × 2,840,961.56 - Step 4: Simplify right side
5,132,850.08x = 20,123,233,526,550.71 - Step 5: Solve for x
x = 20,123,233,526,550.71/5,132,850.08 - Step 6: Final answer
x = 3,920,479.50
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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.