Finding the Fourth Proportional to 3,633,319.20, 5,449,201.20 and 1,611,559.20
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Solution
The fourth proportional to 3,633,319.20, 5,449,201.20 and 1,611,559.20 is: 2,416,993.90
Step by Step Solution
- Step 1: Write the proportion equation
3,633,319.20 : 5,449,201.20 = 1,611,559.20 : x - Step 2: Convert to fraction form
3,633,319.20/5,449,201.20 = 1,611,559.20/x - Step 3: Cross multiply
3,633,319.20x = 5,449,201.20 × 1,611,559.20 - Step 4: Simplify right side
3,633,319.20x = 8,781,710,326,511.04 - Step 5: Solve for x
x = 8,781,710,326,511.04/3,633,319.20 - Step 6: Final answer
x = 2,416,993.90
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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.