Finding the Fourth Proportional to 1,998,633.07, 2,758,272.51 and 1,273,806.19
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Solution
The fourth proportional to 1,998,633.07, 2,758,272.51 and 1,273,806.19 is: 1,757,953.80
Step by Step Solution
- Step 1: Write the proportion equation
1,998,633.07 : 2,758,272.51 = 1,273,806.19 : x - Step 2: Convert to fraction form
1,998,633.07/2,758,272.51 = 1,273,806.19/x - Step 3: Cross multiply
1,998,633.07x = 2,758,272.51 × 1,273,806.19 - Step 4: Simplify right side
1,998,633.07x = 3,513,504,596,944.84 - Step 5: Solve for x
x = 3,513,504,596,944.84/1,998,633.07 - Step 6: Final answer
x = 1,757,953.80
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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.