Finding the Fourth Proportional to 1,694,550.21, 2,338,470.83 and 920,174.15
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Solution
The fourth proportional to 1,694,550.21, 2,338,470.83 and 920,174.15 is: 1,269,835.73
Step by Step Solution
- Step 1: Write the proportion equation
1,694,550.21 : 2,338,470.83 = 920,174.15 : x - Step 2: Convert to fraction form
1,694,550.21/2,338,470.83 = 920,174.15/x - Step 3: Cross multiply
1,694,550.21x = 2,338,470.83 × 920,174.15 - Step 4: Simplify right side
1,694,550.21x = 2,151,800,398,903.13 - Step 5: Solve for x
x = 2,151,800,398,903.13/1,694,550.21 - Step 6: Final answer
x = 1,269,835.73
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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.