Finding the Fourth Proportional to 2,072,480.44, 3,109,139.74 and 874,405.72
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Solution
The fourth proportional to 2,072,480.44, 3,109,139.74 and 874,405.72 is: 1,311,785.40
Step by Step Solution
- Step 1: Write the proportion equation
2,072,480.44 : 3,109,139.74 = 874,405.72 : x - Step 2: Convert to fraction form
2,072,480.44/3,109,139.74 = 874,405.72/x - Step 3: Cross multiply
2,072,480.44x = 3,109,139.74 × 874,405.72 - Step 4: Simplify right side
2,072,480.44x = 2,718,649,572,935.31 - Step 5: Solve for x
x = 2,718,649,572,935.31/2,072,480.44 - Step 6: Final answer
x = 1,311,785.40
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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.