Finding the Fourth Proportional to 3,845,857.57, 5,308,917.66 and 2,396,269.21
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Solution
The fourth proportional to 3,845,857.57, 5,308,917.66 and 2,396,269.21 is: 3,307,869.75
Step by Step Solution
- Step 1: Write the proportion equation
3,845,857.57 : 5,308,917.66 = 2,396,269.21 : x - Step 2: Convert to fraction form
3,845,857.57/5,308,917.66 = 2,396,269.21/x - Step 3: Cross multiply
3,845,857.57x = 5,308,917.66 × 2,396,269.21 - Step 4: Simplify right side
3,845,857.57x = 12,721,595,888,557.31 - Step 5: Solve for x
x = 12,721,595,888,557.31/3,845,857.57 - Step 6: Final answer
x = 3,307,869.75
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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.