Finding the Fourth Proportional to 2,799,078.21, 4,198,625.82 and 777,432.42
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Solution
The fourth proportional to 2,799,078.21, 4,198,625.82 and 777,432.42 is: 1,166,150.99
Step by Step Solution
- Step 1: Write the proportion equation
2,799,078.21 : 4,198,625.82 = 777,432.42 : x - Step 2: Convert to fraction form
2,799,078.21/4,198,625.82 = 777,432.42/x - Step 3: Cross multiply
2,799,078.21x = 4,198,625.82 × 777,432.42 - Step 4: Simplify right side
2,799,078.21x = 3,264,147,831,917.09 - Step 5: Solve for x
x = 3,264,147,831,917.09/2,799,078.21 - Step 6: Final answer
x = 1,166,150.99
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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.