Finding the Fourth Proportional to 5,259,754.64, 7,258,390.64 and 2,936,682.72
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Solution
The fourth proportional to 5,259,754.64, 7,258,390.64 and 2,936,682.72 is: 4,052,582.64
Step by Step Solution
- Step 1: Write the proportion equation
5,259,754.64 : 7,258,390.64 = 2,936,682.72 : x - Step 2: Convert to fraction form
5,259,754.64/7,258,390.64 = 2,936,682.72/x - Step 3: Cross multiply
5,259,754.64x = 7,258,390.64 × 2,936,682.72 - Step 4: Simplify right side
5,259,754.64x = 21,315,590,367,497.74 - Step 5: Solve for x
x = 21,315,590,367,497.74/5,259,754.64 - Step 6: Final answer
x = 4,052,582.64
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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.