Finding the Fourth Proportional to 1,414,415.70, 2,121,623.55 and 1,259,586.90
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Solution
The fourth proportional to 1,414,415.70, 2,121,623.55 and 1,259,586.90 is: 1,889,380.35
Step by Step Solution
- Step 1: Write the proportion equation
1,414,415.70 : 2,121,623.55 = 1,259,586.90 : x - Step 2: Convert to fraction form
1,414,415.70/2,121,623.55 = 1,259,586.90/x - Step 3: Cross multiply
1,414,415.70x = 2,121,623.55 × 1,259,586.90 - Step 4: Simplify right side
1,414,415.70x = 2,672,369,230,311.49 - Step 5: Solve for x
x = 2,672,369,230,311.49/1,414,415.70 - Step 6: Final answer
x = 1,889,380.35
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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.