Finding the Fourth Proportional to 1,585,436.16, 2,378,147.74 and 574,321.36
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Solution
The fourth proportional to 1,585,436.16, 2,378,147.74 and 574,321.36 is: 861,479.69
Step by Step Solution
- Step 1: Write the proportion equation
1,585,436.16 : 2,378,147.74 = 574,321.36 : x - Step 2: Convert to fraction form
1,585,436.16/2,378,147.74 = 574,321.36/x - Step 3: Cross multiply
1,585,436.16x = 2,378,147.74 × 574,321.36 - Step 4: Simplify right side
1,585,436.16x = 1,365,821,044,317.73 - Step 5: Solve for x
x = 1,365,821,044,317.73/1,585,436.16 - Step 6: Final answer
x = 861,479.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.