Finding the Fourth Proportional to 2,089,081.14, 3,133,621.74 and 1,378,943.06
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Solution
The fourth proportional to 2,089,081.14, 3,133,621.74 and 1,378,943.06 is: 2,068,414.61
Step by Step Solution
- Step 1: Write the proportion equation
2,089,081.14 : 3,133,621.74 = 1,378,943.06 : x - Step 2: Convert to fraction form
2,089,081.14/3,133,621.74 = 1,378,943.06/x - Step 3: Cross multiply
2,089,081.14x = 3,133,621.74 × 1,378,943.06 - Step 4: Simplify right side
2,089,081.14x = 4,321,085,951,038.13 - Step 5: Solve for x
x = 4,321,085,951,038.13/2,089,081.14 - Step 6: Final answer
x = 2,068,414.61
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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.