Finding the Fourth Proportional to 3,198,938.96, 4,798,408.46 and 1,069,023.08
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Solution
The fourth proportional to 3,198,938.96, 4,798,408.46 and 1,069,023.08 is: 1,603,534.63
Step by Step Solution
- Step 1: Write the proportion equation
3,198,938.96 : 4,798,408.46 = 1,069,023.08 : x - Step 2: Convert to fraction form
3,198,938.96/4,798,408.46 = 1,069,023.08/x - Step 3: Cross multiply
3,198,938.96x = 4,798,408.46 × 1,069,023.08 - Step 4: Simplify right side
3,198,938.96x = 5,129,609,397,658.16 - Step 5: Solve for x
x = 5,129,609,397,658.16/3,198,938.96 - Step 6: Final answer
x = 1,603,534.63
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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.