Finding the Fourth Proportional to 4,096,919.20, 6,145,378.80 and 2,821,460.80
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Solution
The fourth proportional to 4,096,919.20, 6,145,378.80 and 2,821,460.80 is: 4,232,191.20
Step by Step Solution
- Step 1: Write the proportion equation
4,096,919.20 : 6,145,378.80 = 2,821,460.80 : x - Step 2: Convert to fraction form
4,096,919.20/6,145,378.80 = 2,821,460.80/x - Step 3: Cross multiply
4,096,919.20x = 6,145,378.80 × 2,821,460.80 - Step 4: Simplify right side
4,096,919.20x = 17,338,945,385,351.04 - Step 5: Solve for x
x = 17,338,945,385,351.04/4,096,919.20 - Step 6: Final answer
x = 4,232,191.20
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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.