Finding the Fourth Proportional to 3,611,492.40, 4,983,751.50 and 1,979,843.96
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Solution
The fourth proportional to 3,611,492.40, 4,983,751.50 and 1,979,843.96 is: 2,732,125.45
Step by Step Solution
- Step 1: Write the proportion equation
3,611,492.40 : 4,983,751.50 = 1,979,843.96 : x - Step 2: Convert to fraction form
3,611,492.40/4,983,751.50 = 1,979,843.96/x - Step 3: Cross multiply
3,611,492.40x = 4,983,751.50 × 1,979,843.96 - Step 4: Simplify right side
3,611,492.40x = 9,867,050,305,415.94 - Step 5: Solve for x
x = 9,867,050,305,415.94/3,611,492.40 - Step 6: Final answer
x = 2,732,125.45
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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.