Finding the Fourth Proportional to 2,763,198.40, 3,813,066.12 and 1,522,768.44
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Solution
The fourth proportional to 2,763,198.40, 3,813,066.12 and 1,522,768.44 is: 2,101,339.07
Step by Step Solution
- Step 1: Write the proportion equation
2,763,198.40 : 3,813,066.12 = 1,522,768.44 : x - Step 2: Convert to fraction form
2,763,198.40/3,813,066.12 = 1,522,768.44/x - Step 3: Cross multiply
2,763,198.40x = 3,813,066.12 × 1,522,768.44 - Step 4: Simplify right side
2,763,198.40x = 5,806,416,747,169.25 - Step 5: Solve for x
x = 5,806,416,747,169.25/2,763,198.40 - Step 6: Final answer
x = 2,101,339.07
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.