Finding the Fourth Proportional to 3,087,815.24, 4,261,138.26 and 1,729,736.84
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Solution
The fourth proportional to 3,087,815.24, 4,261,138.26 and 1,729,736.84 is: 2,387,010.64
Step by Step Solution
- Step 1: Write the proportion equation
3,087,815.24 : 4,261,138.26 = 1,729,736.84 : x - Step 2: Convert to fraction form
3,087,815.24/4,261,138.26 = 1,729,736.84/x - Step 3: Cross multiply
3,087,815.24x = 4,261,138.26 × 1,729,736.84 - Step 4: Simplify right side
3,087,815.24x = 7,370,647,828,655.50 - Step 5: Solve for x
x = 7,370,647,828,655.50/3,087,815.24 - Step 6: Final answer
x = 2,387,010.64
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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.