Finding the Fourth Proportional to 1,614,528.09, 2,228,051.34 and 889,378.83
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Solution
The fourth proportional to 1,614,528.09, 2,228,051.34 and 889,378.83 is: 1,227,344.20
Step by Step Solution
- Step 1: Write the proportion equation
1,614,528.09 : 2,228,051.34 = 889,378.83 : x - Step 2: Convert to fraction form
1,614,528.09/2,228,051.34 = 889,378.83/x - Step 3: Cross multiply
1,614,528.09x = 2,228,051.34 × 889,378.83 - Step 4: Simplify right side
1,614,528.09x = 1,981,581,693,949.13 - Step 5: Solve for x
x = 1,981,581,693,949.13/1,614,528.09 - Step 6: Final answer
x = 1,227,344.20
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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.