Finding the Fourth Proportional to 2,539,874.18, 3,505,028.63 and 1,378,320.44
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Solution
The fourth proportional to 2,539,874.18, 3,505,028.63 and 1,378,320.44 is: 1,902,083.43
Step by Step Solution
- Step 1: Write the proportion equation
2,539,874.18 : 3,505,028.63 = 1,378,320.44 : x - Step 2: Convert to fraction form
2,539,874.18/3,505,028.63 = 1,378,320.44/x - Step 3: Cross multiply
2,539,874.18x = 3,505,028.63 × 1,378,320.44 - Step 4: Simplify right side
2,539,874.18x = 4,831,052,589,434.86 - Step 5: Solve for x
x = 4,831,052,589,434.86/2,539,874.18 - Step 6: Final answer
x = 1,902,083.43
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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.