Finding the Fourth Proportional to 2,618,918.24, 3,927,232.21 and 1,321,272.32
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Solution
The fourth proportional to 2,618,918.24, 3,927,232.21 and 1,321,272.32 is: 1,981,330.73
Step by Step Solution
- Step 1: Write the proportion equation
2,618,918.24 : 3,927,232.21 = 1,321,272.32 : x - Step 2: Convert to fraction form
2,618,918.24/3,927,232.21 = 1,321,272.32/x - Step 3: Cross multiply
2,618,918.24x = 3,927,232.21 × 1,321,272.32 - Step 4: Simplify right side
2,618,918.24x = 5,188,943,190,346.09 - Step 5: Solve for x
x = 5,188,943,190,346.09/2,618,918.24 - Step 6: Final answer
x = 1,981,330.73
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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.