Finding the Fourth Proportional to 3,186,684.36, 4,397,623.38 and 1,736,378.52
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Solution
The fourth proportional to 3,186,684.36, 4,397,623.38 and 1,736,378.52 is: 2,396,201.79
Step by Step Solution
- Step 1: Write the proportion equation
3,186,684.36 : 4,397,623.38 = 1,736,378.52 : x - Step 2: Convert to fraction form
3,186,684.36/4,397,623.38 = 1,736,378.52/x - Step 3: Cross multiply
3,186,684.36x = 4,397,623.38 × 1,736,378.52 - Step 4: Simplify right side
3,186,684.36x = 7,635,938,776,081.80 - Step 5: Solve for x
x = 7,635,938,776,081.80/3,186,684.36 - Step 6: Final answer
x = 2,396,201.79
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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.