Finding the Fourth Proportional to 1,618,933.68, 2,234,884.44 and 939,739.44
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Solution
The fourth proportional to 1,618,933.68, 2,234,884.44 and 939,739.44 is: 1,297,279.24
Step by Step Solution
- Step 1: Write the proportion equation
1,618,933.68 : 2,234,884.44 = 939,739.44 : x - Step 2: Convert to fraction form
1,618,933.68/2,234,884.44 = 939,739.44/x - Step 3: Cross multiply
1,618,933.68x = 2,234,884.44 × 939,739.44 - Step 4: Simplify right side
1,618,933.68x = 2,100,209,052,110.31 - Step 5: Solve for x
x = 2,100,209,052,110.31/1,618,933.68 - Step 6: Final answer
x = 1,297,279.24
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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.