Finding the Fourth Proportional to 3,072,402.36, 4,239,912.62 and 1,714,275.36
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Solution
The fourth proportional to 3,072,402.36, 4,239,912.62 and 1,714,275.36 is: 2,365,698.53
Step by Step Solution
- Step 1: Write the proportion equation
3,072,402.36 : 4,239,912.62 = 1,714,275.36 : x - Step 2: Convert to fraction form
3,072,402.36/4,239,912.62 = 1,714,275.36/x - Step 3: Cross multiply
3,072,402.36x = 4,239,912.62 × 1,714,275.36 - Step 4: Simplify right side
3,072,402.36x = 7,268,377,733,019.04 - Step 5: Solve for x
x = 7,268,377,733,019.04/3,072,402.36 - Step 6: Final answer
x = 2,365,698.53
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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.