Finding the Fourth Proportional to 2,286,115.11, 3,428,735.49 and 1,148,562.09
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Solution
The fourth proportional to 2,286,115.11, 3,428,735.49 and 1,148,562.09 is: 1,722,623.49
Step by Step Solution
- Step 1: Write the proportion equation
2,286,115.11 : 3,428,735.49 = 1,148,562.09 : x - Step 2: Convert to fraction form
2,286,115.11/3,428,735.49 = 1,148,562.09/x - Step 3: Cross multiply
2,286,115.11x = 3,428,735.49 × 1,148,562.09 - Step 4: Simplify right side
2,286,115.11x = 3,938,115,600,451.58 - Step 5: Solve for x
x = 3,938,115,600,451.58/2,286,115.11 - Step 6: Final answer
x = 1,722,623.49
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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.