Finding the Fourth Proportional to 3,993,338.24, 5,510,797.12 and 2,182,515.20
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Solution
The fourth proportional to 3,993,338.24, 5,510,797.12 and 2,182,515.20 is: 3,011,865.70
Step by Step Solution
- Step 1: Write the proportion equation
3,993,338.24 : 5,510,797.12 = 2,182,515.20 : x - Step 2: Convert to fraction form
3,993,338.24/5,510,797.12 = 2,182,515.20/x - Step 3: Cross multiply
3,993,338.24x = 5,510,797.12 × 2,182,515.20 - Step 4: Simplify right side
3,993,338.24x = 12,027,398,478,516.22 - Step 5: Solve for x
x = 12,027,398,478,516.22/3,993,338.24 - Step 6: Final answer
x = 3,011,865.70
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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.