Finding the Fourth Proportional to 1,585,974.26, 2,188,585.79 and 860,806.44
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Solution
The fourth proportional to 1,585,974.26, 2,188,585.79 and 860,806.44 is: 1,187,881.03
Step by Step Solution
- Step 1: Write the proportion equation
1,585,974.26 : 2,188,585.79 = 860,806.44 : x - Step 2: Convert to fraction form
1,585,974.26/2,188,585.79 = 860,806.44/x - Step 3: Cross multiply
1,585,974.26x = 2,188,585.79 × 860,806.44 - Step 4: Simplify right side
1,585,974.26x = 1,883,948,738,220.46 - Step 5: Solve for x
x = 1,883,948,738,220.46/1,585,974.26 - Step 6: Final answer
x = 1,187,881.03
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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.