Finding the Fourth Proportional to 4,944,221.68, 7,415,170.80 and 2,786,187.28
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Solution
The fourth proportional to 4,944,221.68, 7,415,170.80 and 2,786,187.28 is: 4,178,626.26
Step by Step Solution
- Step 1: Write the proportion equation
4,944,221.68 : 7,415,170.80 = 2,786,187.28 : x - Step 2: Convert to fraction form
4,944,221.68/7,415,170.80 = 2,786,187.28/x - Step 3: Cross multiply
4,944,221.68x = 7,415,170.80 × 2,786,187.28 - Step 4: Simplify right side
4,944,221.68x = 20,660,054,561,987.42 - Step 5: Solve for x
x = 20,660,054,561,987.42/4,944,221.68 - Step 6: Final answer
x = 4,178,626.26
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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.