Finding the Fourth Proportional to 2,831,579.97, 3,907,560.27 and 1,542,420.33
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Solution
The fourth proportional to 2,831,579.97, 3,907,560.27 and 1,542,420.33 is: 2,128,529.11
Step by Step Solution
- Step 1: Write the proportion equation
2,831,579.97 : 3,907,560.27 = 1,542,420.33 : x - Step 2: Convert to fraction form
2,831,579.97/3,907,560.27 = 1,542,420.33/x - Step 3: Cross multiply
2,831,579.97x = 3,907,560.27 × 1,542,420.33 - Step 4: Simplify right side
2,831,579.97x = 6,027,100,401,148.29 - Step 5: Solve for x
x = 6,027,100,401,148.29/2,831,579.97 - Step 6: Final answer
x = 2,128,529.11
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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.