Finding the Fourth Proportional to 1,560,103.80, 2,339,982.90 and 438,286.20
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Solution
The fourth proportional to 1,560,103.80, 2,339,982.90 and 438,286.20 is: 657,380.75
Step by Step Solution
- Step 1: Write the proportion equation
1,560,103.80 : 2,339,982.90 = 438,286.20 : x - Step 2: Convert to fraction form
1,560,103.80/2,339,982.90 = 438,286.20/x - Step 3: Cross multiply
1,560,103.80x = 2,339,982.90 × 438,286.20 - Step 4: Simplify right side
1,560,103.80x = 1,025,582,213,305.98 - Step 5: Solve for x
x = 1,025,582,213,305.98/1,560,103.80 - Step 6: Final answer
x = 657,380.75
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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.