Finding the Fourth Proportional to 2,143,114.80, 3,214,672.20 and 944,420.10
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Solution
The fourth proportional to 2,143,114.80, 3,214,672.20 and 944,420.10 is: 1,416,630.15
Step by Step Solution
- Step 1: Write the proportion equation
2,143,114.80 : 3,214,672.20 = 944,420.10 : x - Step 2: Convert to fraction form
2,143,114.80/3,214,672.20 = 944,420.10/x - Step 3: Cross multiply
2,143,114.80x = 3,214,672.20 × 944,420.10 - Step 4: Simplify right side
2,143,114.80x = 3,036,001,040,591.22 - Step 5: Solve for x
x = 3,036,001,040,591.22/2,143,114.80 - Step 6: Final answer
x = 1,416,630.15
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1.5x scale
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.