Finding the Fourth Proportional to 1,855,700.44, 2,560,737.20 and 1,028,765.80
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Solution
The fourth proportional to 1,855,700.44, 2,560,737.20 and 1,028,765.80 is: 1,419,625.06
Step by Step Solution
- Step 1: Write the proportion equation
1,855,700.44 : 2,560,737.20 = 1,028,765.80 : x - Step 2: Convert to fraction form
1,855,700.44/2,560,737.20 = 1,028,765.80/x - Step 3: Cross multiply
1,855,700.44x = 2,560,737.20 × 1,028,765.80 - Step 4: Simplify right side
1,855,700.44x = 2,634,398,854,147.76 - Step 5: Solve for x
x = 2,634,398,854,147.76/1,855,700.44 - Step 6: Final answer
x = 1,419,625.06
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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.