Finding the Fourth Proportional to 1,906,506.58, 2,859,757.57 and 486,562.81
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Solution
The fourth proportional to 1,906,506.58, 2,859,757.57 and 486,562.81 is: 729,843.63
Step by Step Solution
- Step 1: Write the proportion equation
1,906,506.58 : 2,859,757.57 = 486,562.81 : x - Step 2: Convert to fraction form
1,906,506.58/2,859,757.57 = 486,562.81/x - Step 3: Cross multiply
1,906,506.58x = 2,859,757.57 × 486,562.81 - Step 4: Simplify right side
1,906,506.58x = 1,391,451,679,177.97 - Step 5: Solve for x
x = 1,391,451,679,177.97/1,906,506.58 - Step 6: Final answer
x = 729,843.63
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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.