Finding the Fourth Proportional to 2,821,639.06, 3,893,890.44 and 1,532,504.62
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Solution
The fourth proportional to 2,821,639.06, 3,893,890.44 and 1,532,504.62 is: 2,114,871.87
Step by Step Solution
- Step 1: Write the proportion equation
2,821,639.06 : 3,893,890.44 = 1,532,504.62 : x - Step 2: Convert to fraction form
2,821,639.06/3,893,890.44 = 1,532,504.62/x - Step 3: Cross multiply
2,821,639.06x = 3,893,890.44 × 1,532,504.62 - Step 4: Simplify right side
2,821,639.06x = 5,967,405,089,073.83 - Step 5: Solve for x
x = 5,967,405,089,073.83/2,821,639.06 - Step 6: Final answer
x = 2,114,871.87
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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.