Finding the Fourth Proportional to 3,163,857.71, 4,366,101.91 and 1,713,519.96
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Solution
The fourth proportional to 3,163,857.71, 4,366,101.91 and 1,713,519.96 is: 2,364,645.78
Step by Step Solution
- Step 1: Write the proportion equation
3,163,857.71 : 4,366,101.91 = 1,713,519.96 : x - Step 2: Convert to fraction form
3,163,857.71/4,366,101.91 = 1,713,519.96/x - Step 3: Cross multiply
3,163,857.71x = 4,366,101.91 × 1,713,519.96 - Step 4: Simplify right side
3,163,857.71x = 7,481,402,770,179.12 - Step 5: Solve for x
x = 7,481,402,770,179.12/3,163,857.71 - Step 6: Final answer
x = 2,364,645.78
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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.