Finding the Fourth Proportional to 2,560,650.54, 3,532,135.95 and 1,642,570.62
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Solution
The fourth proportional to 2,560,650.54, 3,532,135.95 and 1,642,570.62 is: 2,265,745.62
Step by Step Solution
- Step 1: Write the proportion equation
2,560,650.54 : 3,532,135.95 = 1,642,570.62 : x - Step 2: Convert to fraction form
2,560,650.54/3,532,135.95 = 1,642,570.62/x - Step 3: Cross multiply
2,560,650.54x = 3,532,135.95 × 1,642,570.62 - Step 4: Simplify right side
2,560,650.54x = 5,801,782,737,315.79 - Step 5: Solve for x
x = 5,801,782,737,315.79/2,560,650.54 - Step 6: Final answer
x = 2,265,745.62
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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.