Finding the Fourth Proportional to 3,072,397.37, 4,239,905.72 and 1,714,270.37
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Solution
The fourth proportional to 3,072,397.37, 4,239,905.72 and 1,714,270.37 is: 2,365,691.63
Step by Step Solution
- Step 1: Write the proportion equation
3,072,397.37 : 4,239,905.72 = 1,714,270.37 : x - Step 2: Convert to fraction form
3,072,397.37/4,239,905.72 = 1,714,270.37/x - Step 3: Cross multiply
3,072,397.37x = 4,239,905.72 × 1,714,270.37 - Step 4: Simplify right side
3,072,397.37x = 7,268,344,717,618.64 - Step 5: Solve for x
x = 7,268,344,717,618.64/3,072,397.37 - Step 6: Final answer
x = 2,365,691.63
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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.