Finding the Fourth Proportional to 3,409,745.36, 5,116,115.61 and 1,790,137.88
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Solution
The fourth proportional to 3,409,745.36, 5,116,115.61 and 1,790,137.88 is: 2,685,993.06
Step by Step Solution
- Step 1: Write the proportion equation
3,409,745.36 : 5,116,115.61 = 1,790,137.88 : x - Step 2: Convert to fraction form
3,409,745.36/5,116,115.61 = 1,790,137.88/x - Step 3: Cross multiply
3,409,745.36x = 5,116,115.61 × 1,790,137.88 - Step 4: Simplify right side
3,409,745.36x = 9,158,552,364,710.60 - Step 5: Solve for x
x = 9,158,552,364,710.60/3,409,745.36 - Step 6: Final answer
x = 2,685,993.06
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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.