Finding the Fourth Proportional to 1,882,128.42, 2,821,605.12 and 816,367.68
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Solution
The fourth proportional to 1,882,128.42, 2,821,605.12 and 816,367.68 is: 1,223,862.94
Step by Step Solution
- Step 1: Write the proportion equation
1,882,128.42 : 2,821,605.12 = 816,367.68 : x - Step 2: Convert to fraction form
1,882,128.42/2,821,605.12 = 816,367.68/x - Step 3: Cross multiply
1,882,128.42x = 2,821,605.12 × 816,367.68 - Step 4: Simplify right side
1,882,128.42x = 2,303,467,225,690.52 - Step 5: Solve for x
x = 2,303,467,225,690.52/1,882,128.42 - Step 6: Final answer
x = 1,223,862.94
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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.