Finding the Fourth Proportional to 2,831,543.43, 3,907,620.14 and 1,542,425.19
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Solution
The fourth proportional to 2,831,543.43, 3,907,620.14 and 1,542,425.19 is: 2,128,595.90
Step by Step Solution
- Step 1: Write the proportion equation
2,831,543.43 : 3,907,620.14 = 1,542,425.19 : x - Step 2: Convert to fraction form
2,831,543.43/3,907,620.14 = 1,542,425.19/x - Step 3: Cross multiply
2,831,543.43x = 3,907,620.14 × 1,542,425.19 - Step 4: Simplify right side
2,831,543.43x = 6,027,211,729,175.20 - Step 5: Solve for x
x = 6,027,211,729,175.20/2,831,543.43 - Step 6: Final answer
x = 2,128,595.90
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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.