Finding the Fourth Proportional to 2,208,884.97, 3,312,507.13 and 769,198.77
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Solution
The fourth proportional to 2,208,884.97, 3,312,507.13 and 769,198.77 is: 1,153,512.49
Step by Step Solution
- Step 1: Write the proportion equation
2,208,884.97 : 3,312,507.13 = 769,198.77 : x - Step 2: Convert to fraction form
2,208,884.97/3,312,507.13 = 769,198.77/x - Step 3: Cross multiply
2,208,884.97x = 3,312,507.13 × 769,198.77 - Step 4: Simplify right side
2,208,884.97x = 2,547,976,410,012.23 - Step 5: Solve for x
x = 2,547,976,410,012.23/2,208,884.97 - Step 6: Final answer
x = 1,153,512.49
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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.