Finding the Fourth Proportional to 1,615,442.52, 2,229,415.82 and 927,337.09
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Solution
The fourth proportional to 1,615,442.52, 2,229,415.82 and 927,337.09 is: 1,279,785.54
Step by Step Solution
- Step 1: Write the proportion equation
1,615,442.52 : 2,229,415.82 = 927,337.09 : x - Step 2: Convert to fraction form
1,615,442.52/2,229,415.82 = 927,337.09/x - Step 3: Cross multiply
1,615,442.52x = 2,229,415.82 × 927,337.09 - Step 4: Simplify right side
1,615,442.52x = 2,067,419,978,918.76 - Step 5: Solve for x
x = 2,067,419,978,918.76/1,615,442.52 - Step 6: Final answer
x = 1,279,785.54
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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.