Finding the Fourth Proportional to 5,198,037.36, 7,173,560.58 and 2,993,227.68
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Solution
The fourth proportional to 5,198,037.36, 7,173,560.58 and 2,993,227.68 is: 4,130,809.11
Step by Step Solution
- Step 1: Write the proportion equation
5,198,037.36 : 7,173,560.58 = 2,993,227.68 : x - Step 2: Convert to fraction form
5,198,037.36/7,173,560.58 = 2,993,227.68/x - Step 3: Cross multiply
5,198,037.36x = 7,173,560.58 × 2,993,227.68 - Step 4: Simplify right side
5,198,037.36x = 21,472,100,092,212.86 - Step 5: Solve for x
x = 21,472,100,092,212.86/5,198,037.36 - Step 6: Final answer
x = 4,130,809.11
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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.