Finding the Fourth Proportional to 3,867,351.68, 5,335,079.36 and 2,576,540.54
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Solution
The fourth proportional to 3,867,351.68, 5,335,079.36 and 2,576,540.54 is: 3,554,382.79
Step by Step Solution
- Step 1: Write the proportion equation
3,867,351.68 : 5,335,079.36 = 2,576,540.54 : x - Step 2: Convert to fraction form
3,867,351.68/5,335,079.36 = 2,576,540.54/x - Step 3: Cross multiply
3,867,351.68x = 5,335,079.36 × 2,576,540.54 - Step 4: Simplify right side
3,867,351.68x = 13,746,048,255,157.26 - Step 5: Solve for x
x = 13,746,048,255,157.26/3,867,351.68 - Step 6: Final answer
x = 3,554,382.79
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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.