Finding the Fourth Proportional to 4,419,533.12, 6,629,442.22 and 1,224,690.08
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Solution
The fourth proportional to 4,419,533.12, 6,629,442.22 and 1,224,690.08 is: 1,837,074.62
Step by Step Solution
- Step 1: Write the proportion equation
4,419,533.12 : 6,629,442.22 = 1,224,690.08 : x - Step 2: Convert to fraction form
4,419,533.12/6,629,442.22 = 1,224,690.08/x - Step 3: Cross multiply
4,419,533.12x = 6,629,442.22 × 1,224,690.08 - Step 4: Simplify right side
4,419,533.12x = 8,119,012,122,767.18 - Step 5: Solve for x
x = 8,119,012,122,767.18/4,419,533.12 - Step 6: Final answer
x = 1,837,074.62
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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.