Finding the Fourth Proportional to 2,015,430.40, 3,023,145.60 and 667,230.40
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Solution
The fourth proportional to 2,015,430.40, 3,023,145.60 and 667,230.40 is: 1,000,845.60
Step by Step Solution
- Step 1: Write the proportion equation
2,015,430.40 : 3,023,145.60 = 667,230.40 : x - Step 2: Convert to fraction form
2,015,430.40/3,023,145.60 = 667,230.40/x - Step 3: Cross multiply
2,015,430.40x = 3,023,145.60 × 667,230.40 - Step 4: Simplify right side
2,015,430.40x = 2,017,134,647,946.24 - Step 5: Solve for x
x = 2,017,134,647,946.24/2,015,430.40 - Step 6: Final answer
x = 1,000,845.60
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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.