Finding the Fourth Proportional to 1,614,431.58, 2,227,888.36 and 889,347.12
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Solution
The fourth proportional to 1,614,431.58, 2,227,888.36 and 889,347.12 is: 1,227,284.03
Step by Step Solution
- Step 1: Write the proportion equation
1,614,431.58 : 2,227,888.36 = 889,347.12 : x - Step 2: Convert to fraction form
1,614,431.58/2,227,888.36 = 889,347.12/x - Step 3: Cross multiply
1,614,431.58x = 2,227,888.36 × 889,347.12 - Step 4: Simplify right side
1,614,431.58x = 1,981,366,096,647.52 - Step 5: Solve for x
x = 1,981,366,096,647.52/1,614,431.58 - Step 6: Final answer
x = 1,227,284.03
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1.5x scale
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.