Finding the Fourth Proportional to 4,481,567.70, 6,722,351.55 and 1,115,774.70
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Solution
The fourth proportional to 4,481,567.70, 6,722,351.55 and 1,115,774.70 is: 1,673,662.05
Step by Step Solution
- Step 1: Write the proportion equation
4,481,567.70 : 6,722,351.55 = 1,115,774.70 : x - Step 2: Convert to fraction form
4,481,567.70/6,722,351.55 = 1,115,774.70/x - Step 3: Cross multiply
4,481,567.70x = 6,722,351.55 × 1,115,774.70 - Step 4: Simplify right side
4,481,567.70x = 7,500,629,783,995.78 - Step 5: Solve for x
x = 7,500,629,783,995.78/4,481,567.70 - Step 6: Final answer
x = 1,673,662.05
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1.5x scale
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.