Finding the Fourth Proportional to 1,329,804.68, 1,986,221.42 and 1,203,250.28
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Solution
The fourth proportional to 1,329,804.68, 1,986,221.42 and 1,203,250.28 is: 1,797,197.37
Step by Step Solution
- Step 1: Write the proportion equation
1,329,804.68 : 1,986,221.42 = 1,203,250.28 : x - Step 2: Convert to fraction form
1,329,804.68/1,986,221.42 = 1,203,250.28/x - Step 3: Cross multiply
1,329,804.68x = 1,986,221.42 × 1,203,250.28 - Step 4: Simplify right side
1,329,804.68x = 2,389,921,479,757.00 - Step 5: Solve for x
x = 2,389,921,479,757.00/1,329,804.68 - Step 6: Final answer
x = 1,797,197.37
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.