Finding the Fourth Proportional to 3,071,198, 4,237,728.36 and 1,781,742.80
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Solution
The fourth proportional to 3,071,198, 4,237,728.36 and 1,781,742.80 is: 2,458,500.56
Step by Step Solution
- Step 1: Write the proportion equation
3,071,198 : 4,237,728.36 = 1,781,742.80 : x - Step 2: Convert to fraction form
3,071,198/4,237,728.36 = 1,781,742.80/x - Step 3: Cross multiply
3,071,198x = 4,237,728.36 × 1,781,742.80 - Step 4: Simplify right side
3,071,198x = 7,550,541,993,785.81 - Step 5: Solve for x
x = 7,550,541,993,785.81/3,071,198 - Step 6: Final answer
x = 2,458,500.56
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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.