Finding the Fourth Proportional to 5,792,357.65, 7,993,508.67 and 3,214,278.31
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Solution
The fourth proportional to 5,792,357.65, 7,993,508.67 and 3,214,278.31 is: 4,435,734.65
Step by Step Solution
- Step 1: Write the proportion equation
5,792,357.65 : 7,993,508.67 = 3,214,278.31 : x - Step 2: Convert to fraction form
5,792,357.65/7,993,508.67 = 3,214,278.31/x - Step 3: Cross multiply
5,792,357.65x = 7,993,508.67 × 3,214,278.31 - Step 4: Simplify right side
5,792,357.65x = 25,693,361,538,777.95 - Step 5: Solve for x
x = 25,693,361,538,777.95/5,792,357.65 - Step 6: Final answer
x = 4,435,734.65
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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.