Finding the Fourth Proportional to 3,422,326.26, 5,138,535.82 and 1,908,966
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Solution
The fourth proportional to 3,422,326.26, 5,138,535.82 and 1,908,966 is: 2,866,263.89
Step by Step Solution
- Step 1: Write the proportion equation
3,422,326.26 : 5,138,535.82 = 1,908,966 : x - Step 2: Convert to fraction form
3,422,326.26/5,138,535.82 = 1,908,966/x - Step 3: Cross multiply
3,422,326.26x = 5,138,535.82 × 1,908,966 - Step 4: Simplify right side
3,422,326.26x = 9,809,290,170,162.12 - Step 5: Solve for x
x = 9,809,290,170,162.12/3,422,326.26 - Step 6: Final answer
x = 2,866,263.89
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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.