Finding the Fourth Proportional to 2,081,197.58, 3,122,334.99 and 641,849.15
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Solution
The fourth proportional to 2,081,197.58, 3,122,334.99 and 641,849.15 is: 962,939.84
Step by Step Solution
- Step 1: Write the proportion equation
2,081,197.58 : 3,122,334.99 = 641,849.15 : x - Step 2: Convert to fraction form
2,081,197.58/3,122,334.99 = 641,849.15/x - Step 3: Cross multiply
2,081,197.58x = 3,122,334.99 × 641,849.15 - Step 4: Simplify right side
2,081,197.58x = 2,004,068,067,152.60 - Step 5: Solve for x
x = 2,004,068,067,152.60/2,081,197.58 - Step 6: Final answer
x = 962,939.84
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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.