Finding the Fourth Proportional to 3,812,120.46, 5,718,182.51 and 2,393,172.99
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Solution
The fourth proportional to 3,812,120.46, 5,718,182.51 and 2,393,172.99 is: 3,589,760.63
Step by Step Solution
- Step 1: Write the proportion equation
3,812,120.46 : 5,718,182.51 = 2,393,172.99 : x - Step 2: Convert to fraction form
3,812,120.46/5,718,182.51 = 2,393,172.99/x - Step 3: Cross multiply
3,812,120.46x = 5,718,182.51 × 2,393,172.99 - Step 4: Simplify right side
3,812,120.46x = 13,684,599,940,805.34 - Step 5: Solve for x
x = 13,684,599,940,805.34/3,812,120.46 - Step 6: Final answer
x = 3,589,760.63
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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.