Finding the Fourth Proportional to 1,682,140.81, 2,523,089.21 and 657,278.44
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Solution
The fourth proportional to 1,682,140.81, 2,523,089.21 and 657,278.44 is: 985,869.98
Step by Step Solution
- Step 1: Write the proportion equation
1,682,140.81 : 2,523,089.21 = 657,278.44 : x - Step 2: Convert to fraction form
1,682,140.81/2,523,089.21 = 657,278.44/x - Step 3: Cross multiply
1,682,140.81x = 2,523,089.21 × 657,278.44 - Step 4: Simplify right side
1,682,140.81x = 1,658,372,131,408.85 - Step 5: Solve for x
x = 1,658,372,131,408.85/1,682,140.81 - Step 6: Final answer
x = 985,869.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.