Finding the Fourth Proportional to 2,193,486.35, 3,291,846.48 and 1,040,737.68
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Solution
The fourth proportional to 2,193,486.35, 3,291,846.48 and 1,040,737.68 is: 1,561,873.72
Step by Step Solution
- Step 1: Write the proportion equation
2,193,486.35 : 3,291,846.48 = 1,040,737.68 : x - Step 2: Convert to fraction form
2,193,486.35/3,291,846.48 = 1,040,737.68/x - Step 3: Cross multiply
2,193,486.35x = 3,291,846.48 × 1,040,737.68 - Step 4: Simplify right side
2,193,486.35x = 3,425,948,668,511.37 - Step 5: Solve for x
x = 3,425,948,668,511.37/2,193,486.35 - Step 6: Final answer
x = 1,561,873.72
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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.