Finding the Fourth Proportional to 2,863,652.13, 3,951,804.51 and 1,574,481.24
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Solution
The fourth proportional to 2,863,652.13, 3,951,804.51 and 1,574,481.24 is: 2,172,764.63
Step by Step Solution
- Step 1: Write the proportion equation
2,863,652.13 : 3,951,804.51 = 1,574,481.24 : x - Step 2: Convert to fraction form
2,863,652.13/3,951,804.51 = 1,574,481.24/x - Step 3: Cross multiply
2,863,652.13x = 3,951,804.51 × 1,574,481.24 - Step 4: Simplify right side
2,863,652.13x = 6,222,042,065,142.39 - Step 5: Solve for x
x = 6,222,042,065,142.39/2,863,652.13 - Step 6: Final answer
x = 2,172,764.63
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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.