Finding the Fourth Proportional to 1,790,791.94, 2,686,479.69 and 528,747.14
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Solution
The fourth proportional to 1,790,791.94, 2,686,479.69 and 528,747.14 is: 793,206.86
Step by Step Solution
- Step 1: Write the proportion equation
1,790,791.94 : 2,686,479.69 = 528,747.14 : x - Step 2: Convert to fraction form
1,790,791.94/2,686,479.69 = 528,747.14/x - Step 3: Cross multiply
1,790,791.94x = 2,686,479.69 × 528,747.14 - Step 4: Simplify right side
1,790,791.94x = 1,420,468,452,755.59 - Step 5: Solve for x
x = 1,420,468,452,755.59/1,790,791.94 - Step 6: Final answer
x = 793,206.86
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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.