Finding the Fourth Proportional to 3,798,544.40, 5,697,816.60 and 1,273,590.80
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Solution
The fourth proportional to 3,798,544.40, 5,697,816.60 and 1,273,590.80 is: 1,910,386.20
Step by Step Solution
- Step 1: Write the proportion equation
3,798,544.40 : 5,697,816.60 = 1,273,590.80 : x - Step 2: Convert to fraction form
3,798,544.40/5,697,816.60 = 1,273,590.80/x - Step 3: Cross multiply
3,798,544.40x = 5,697,816.60 × 1,273,590.80 - Step 4: Simplify right side
3,798,544.40x = 7,256,686,801,847.28 - Step 5: Solve for x
x = 7,256,686,801,847.28/3,798,544.40 - Step 6: Final answer
x = 1,910,386.20
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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.