Finding the Fourth Proportional to 3,109,336.73, 4,291,232.09 and 1,732,806.12
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Solution
The fourth proportional to 3,109,336.73, 4,291,232.09 and 1,732,806.12 is: 2,391,466.06
Step by Step Solution
- Step 1: Write the proportion equation
3,109,336.73 : 4,291,232.09 = 1,732,806.12 : x - Step 2: Convert to fraction form
3,109,336.73/4,291,232.09 = 1,732,806.12/x - Step 3: Cross multiply
3,109,336.73x = 4,291,232.09 × 1,732,806.12 - Step 4: Simplify right side
3,109,336.73x = 7,435,873,245,067.52 - Step 5: Solve for x
x = 7,435,873,245,067.52/3,109,336.73 - Step 6: Final answer
x = 2,391,466.06
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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.