Finding the Fourth Proportional to 2,368,919.08, 3,269,108.32 and 1,281,190.64
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Solution
The fourth proportional to 2,368,919.08, 3,269,108.32 and 1,281,190.64 is: 1,768,043.08
Step by Step Solution
- Step 1: Write the proportion equation
2,368,919.08 : 3,269,108.32 = 1,281,190.64 : x - Step 2: Convert to fraction form
2,368,919.08/3,269,108.32 = 1,281,190.64/x - Step 3: Cross multiply
2,368,919.08x = 3,269,108.32 × 1,281,190.64 - Step 4: Simplify right side
2,368,919.08x = 4,188,350,980,730.12 - Step 5: Solve for x
x = 4,188,350,980,730.12/2,368,919.08 - Step 6: Final answer
x = 1,768,043.08
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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.