Finding the Fourth Proportional to 2,831,817.37, 3,907,872.69 and 1,542,630.07
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Solution
The fourth proportional to 2,831,817.37, 3,907,872.69 and 1,542,630.07 is: 2,128,810.28
Step by Step Solution
- Step 1: Write the proportion equation
2,831,817.37 : 3,907,872.69 = 1,542,630.07 : x - Step 2: Convert to fraction form
2,831,817.37/3,907,872.69 = 1,542,630.07/x - Step 3: Cross multiply
2,831,817.37x = 3,907,872.69 × 1,542,630.07 - Step 4: Simplify right side
2,831,817.37x = 6,028,401,921,325.79 - Step 5: Solve for x
x = 6,028,401,921,325.79/2,831,817.37 - Step 6: Final answer
x = 2,128,810.28
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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.