Finding the Fourth Proportional to 2,125,879.24, 3,188,830.38 and 629,984.20
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Solution
The fourth proportional to 2,125,879.24, 3,188,830.38 and 629,984.20 is: 944,979.71
Step by Step Solution
- Step 1: Write the proportion equation
2,125,879.24 : 3,188,830.38 = 629,984.20 : x - Step 2: Convert to fraction form
2,125,879.24/3,188,830.38 = 629,984.20/x - Step 3: Cross multiply
2,125,879.24x = 3,188,830.38 × 629,984.20 - Step 4: Simplify right side
2,125,879.24x = 2,008,912,755,880.00 - Step 5: Solve for x
x = 2,008,912,755,880.00/2,125,879.24 - Step 6: Final answer
x = 944,979.71
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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.