Finding the Fourth Proportional to 2,239,365.22, 3,090,232.36 and 1,259,276.39
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Solution
The fourth proportional to 2,239,365.22, 3,090,232.36 and 1,259,276.39 is: 1,737,749.88
Step by Step Solution
- Step 1: Write the proportion equation
2,239,365.22 : 3,090,232.36 = 1,259,276.39 : x - Step 2: Convert to fraction form
2,239,365.22/3,090,232.36 = 1,259,276.39/x - Step 3: Cross multiply
2,239,365.22x = 3,090,232.36 × 1,259,276.39 - Step 4: Simplify right side
2,239,365.22x = 3,891,456,628,814.44 - Step 5: Solve for x
x = 3,891,456,628,814.44/2,239,365.22 - Step 6: Final answer
x = 1,737,749.88
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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.