Finding the Fourth Proportional to 1,858,218.67, 2,785,445.55 and 1,259,240.41
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Solution
The fourth proportional to 1,858,218.67, 2,785,445.55 and 1,259,240.41 is: 1,887,584.95
Step by Step Solution
- Step 1: Write the proportion equation
1,858,218.67 : 2,785,445.55 = 1,259,240.41 : x - Step 2: Convert to fraction form
1,858,218.67/2,785,445.55 = 1,259,240.41/x - Step 3: Cross multiply
1,858,218.67x = 2,785,445.55 × 1,259,240.41 - Step 4: Simplify right side
1,858,218.67x = 3,507,545,596,414.68 - Step 5: Solve for x
x = 3,507,545,596,414.68/1,858,218.67 - Step 6: Final answer
x = 1,887,584.95
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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.