Finding the Fourth Proportional to 3,471,804.23, 4,790,878.48 and 1,922,974.09
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Solution
The fourth proportional to 3,471,804.23, 4,790,878.48 and 1,922,974.09 is: 2,653,587.18
Step by Step Solution
- Step 1: Write the proportion equation
3,471,804.23 : 4,790,878.48 = 1,922,974.09 : x - Step 2: Convert to fraction form
3,471,804.23/4,790,878.48 = 1,922,974.09/x - Step 3: Cross multiply
3,471,804.23x = 4,790,878.48 × 1,922,974.09 - Step 4: Simplify right side
3,471,804.23x = 9,212,735,185,378.58 - Step 5: Solve for x
x = 9,212,735,185,378.58/3,471,804.23 - Step 6: Final answer
x = 2,653,587.18
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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.