Finding the Fourth Proportional to 1,740,286, 2,402,036.09 and 1,189,224.87
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Solution
The fourth proportional to 1,740,286, 2,402,036.09 and 1,189,224.87 is: 1,641,431.96
Step by Step Solution
- Step 1: Write the proportion equation
1,740,286 : 2,402,036.09 = 1,189,224.87 : x - Step 2: Convert to fraction form
1,740,286/2,402,036.09 = 1,189,224.87/x - Step 3: Cross multiply
1,740,286x = 2,402,036.09 × 1,189,224.87 - Step 4: Simplify right side
1,740,286x = 2,856,561,056,865.56 - Step 5: Solve for x
x = 2,856,561,056,865.56/1,740,286 - Step 6: Final answer
x = 1,641,431.96
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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.