Finding the Fourth Proportional to 1,814,583.87, 2,504,105.91 and 998,770.05
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Solution
The fourth proportional to 1,814,583.87, 2,504,105.91 and 998,770.05 is: 1,378,291.75
Step by Step Solution
- Step 1: Write the proportion equation
1,814,583.87 : 2,504,105.91 = 998,770.05 : x - Step 2: Convert to fraction form
1,814,583.87/2,504,105.91 = 998,770.05/x - Step 3: Cross multiply
1,814,583.87x = 2,504,105.91 × 998,770.05 - Step 4: Simplify right side
1,814,583.87x = 2,501,025,984,936.00 - Step 5: Solve for x
x = 2,501,025,984,936.00/1,814,583.87 - Step 6: Final answer
x = 1,378,291.75
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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.