Finding the Fourth Proportional to 2,756,630.12, 4,134,945.36 and 863,519
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Solution
The fourth proportional to 2,756,630.12, 4,134,945.36 and 863,519 is: 1,295,278.56
Step by Step Solution
- Step 1: Write the proportion equation
2,756,630.12 : 4,134,945.36 = 863,519 : x - Step 2: Convert to fraction form
2,756,630.12/4,134,945.36 = 863,519/x - Step 3: Cross multiply
2,756,630.12x = 4,134,945.36 × 863,519 - Step 4: Simplify right side
2,756,630.12x = 3,570,603,882,321.84 - Step 5: Solve for x
x = 3,570,603,882,321.84/2,756,630.12 - Step 6: Final answer
x = 1,295,278.56
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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.