Finding the Fourth Proportional to 1,405,422.37, 2,107,247.77 and 1,192,265.02
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Solution
The fourth proportional to 1,405,422.37, 2,107,247.77 and 1,192,265.02 is: 1,787,646.09
Step by Step Solution
- Step 1: Write the proportion equation
1,405,422.37 : 2,107,247.77 = 1,192,265.02 : x - Step 2: Convert to fraction form
1,405,422.37/2,107,247.77 = 1,192,265.02/x - Step 3: Cross multiply
1,405,422.37x = 2,107,247.77 × 1,192,265.02 - Step 4: Simplify right side
1,405,422.37x = 2,512,397,804,644.01 - Step 5: Solve for x
x = 2,512,397,804,644.01/1,405,422.37 - Step 6: Final answer
x = 1,787,646.09
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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.