Finding the Fourth Proportional to 4,147,754.21, 6,221,650.98 and 1,269,116.44
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Solution
The fourth proportional to 4,147,754.21, 6,221,650.98 and 1,269,116.44 is: 1,903,680.68
Step by Step Solution
- Step 1: Write the proportion equation
4,147,754.21 : 6,221,650.98 = 1,269,116.44 : x - Step 2: Convert to fraction form
4,147,754.21/6,221,650.98 = 1,269,116.44/x - Step 3: Cross multiply
4,147,754.21x = 6,221,650.98 × 1,269,116.44 - Step 4: Simplify right side
4,147,754.21x = 7,895,999,566,861.96 - Step 5: Solve for x
x = 7,895,999,566,861.96/4,147,754.21 - Step 6: Final answer
x = 1,903,680.68
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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.