Finding the Fourth Proportional to 2,960,936.20, 4,442,441.10 and 1,279,246.60
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Solution
The fourth proportional to 2,960,936.20, 4,442,441.10 and 1,279,246.60 is: 1,919,317.84
Step by Step Solution
- Step 1: Write the proportion equation
2,960,936.20 : 4,442,441.10 = 1,279,246.60 : x - Step 2: Convert to fraction form
2,960,936.20/4,442,441.10 = 1,279,246.60/x - Step 3: Cross multiply
2,960,936.20x = 4,442,441.10 × 1,279,246.60 - Step 4: Simplify right side
2,960,936.20x = 5,682,977,672,875.26 - Step 5: Solve for x
x = 5,682,977,672,875.26/2,960,936.20 - Step 6: Final answer
x = 1,919,317.84
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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.