Finding the Fourth Proportional to 2,307,977.42, 3,184,841.97 and 1,275,472.85
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Solution
The fourth proportional to 2,307,977.42, 3,184,841.97 and 1,275,472.85 is: 1,760,060.31
Step by Step Solution
- Step 1: Write the proportion equation
2,307,977.42 : 3,184,841.97 = 1,275,472.85 : x - Step 2: Convert to fraction form
2,307,977.42/3,184,841.97 = 1,275,472.85/x - Step 3: Cross multiply
2,307,977.42x = 3,184,841.97 × 1,275,472.85 - Step 4: Simplify right side
2,307,977.42x = 4,062,179,448,351.31 - Step 5: Solve for x
x = 4,062,179,448,351.31/2,307,977.42 - Step 6: Final answer
x = 1,760,060.31
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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.