Finding the Fourth Proportional to 3,410,975.13, 5,114,751.15 and 1,135,698.09
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Solution
The fourth proportional to 3,410,975.13, 5,114,751.15 and 1,135,698.09 is: 1,702,977.27
Step by Step Solution
- Step 1: Write the proportion equation
3,410,975.13 : 5,114,751.15 = 1,135,698.09 : x - Step 2: Convert to fraction form
3,410,975.13/5,114,751.15 = 1,135,698.09/x - Step 3: Cross multiply
3,410,975.13x = 5,114,751.15 × 1,135,698.09 - Step 4: Simplify right side
3,410,975.13x = 5,808,813,111,880.31 - Step 5: Solve for x
x = 5,808,813,111,880.31/3,410,975.13 - Step 6: Final answer
x = 1,702,977.27
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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.