Finding the Fourth Proportional to 5,776,777.34, 7,972,201.80 and 3,198,458.10
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Solution
The fourth proportional to 5,776,777.34, 7,972,201.80 and 3,198,458.10 is: 4,414,010.08
Step by Step Solution
- Step 1: Write the proportion equation
5,776,777.34 : 7,972,201.80 = 3,198,458.10 : x - Step 2: Convert to fraction form
5,776,777.34/7,972,201.80 = 3,198,458.10/x - Step 3: Cross multiply
5,776,777.34x = 7,972,201.80 × 3,198,458.10 - Step 4: Simplify right side
5,776,777.34x = 25,498,753,422,044.58 - Step 5: Solve for x
x = 25,498,753,422,044.58/5,776,777.34 - Step 6: Final answer
x = 4,414,010.08
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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.