Finding the Fourth Proportional to 2,749,783.36, 3,795,157.12 and 1,603,863.68
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Solution
The fourth proportional to 2,749,783.36, 3,795,157.12 and 1,603,863.68 is: 2,213,597.90
Step by Step Solution
- Step 1: Write the proportion equation
2,749,783.36 : 3,795,157.12 = 1,603,863.68 : x - Step 2: Convert to fraction form
2,749,783.36/3,795,157.12 = 1,603,863.68/x - Step 3: Cross multiply
2,749,783.36x = 3,795,157.12 × 1,603,863.68 - Step 4: Simplify right side
2,749,783.36x = 6,086,914,664,661.40 - Step 5: Solve for x
x = 6,086,914,664,661.40/2,749,783.36 - Step 6: Final answer
x = 2,213,597.90
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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.