Finding the Fourth Proportional to 1,634,319.96, 2,250,227.76 and 1,388,786.84
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Solution
The fourth proportional to 1,634,319.96, 2,250,227.76 and 1,388,786.84 is: 1,912,163.33
Step by Step Solution
- Step 1: Write the proportion equation
1,634,319.96 : 2,250,227.76 = 1,388,786.84 : x - Step 2: Convert to fraction form
1,634,319.96/2,250,227.76 = 1,388,786.84/x - Step 3: Cross multiply
1,634,319.96x = 2,250,227.76 × 1,388,786.84 - Step 4: Simplify right side
1,634,319.96x = 3,125,086,700,090.68 - Step 5: Solve for x
x = 3,125,086,700,090.68/1,634,319.96 - Step 6: Final answer
x = 1,912,163.33
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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.