Finding the Fourth Proportional to 3,621,791.80, 5,432,687.70 and 3,037,206.70
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Solution
The fourth proportional to 3,621,791.80, 5,432,687.70 and 3,037,206.70 is: 4,555,810.05
Step by Step Solution
- Step 1: Write the proportion equation
3,621,791.80 : 5,432,687.70 = 3,037,206.70 : x - Step 2: Convert to fraction form
3,621,791.80/5,432,687.70 = 3,037,206.70/x - Step 3: Cross multiply
3,621,791.80x = 5,432,687.70 × 3,037,206.70 - Step 4: Simplify right side
3,621,791.80x = 16,500,195,481,447.59 - Step 5: Solve for x
x = 16,500,195,481,447.59/3,621,791.80 - Step 6: Final answer
x = 4,555,810.05
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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.