Finding the Fourth Proportional to 1,614,789.68, 2,228,510.41 and 889,637.24
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Solution
The fourth proportional to 1,614,789.68, 2,228,510.41 and 889,637.24 is: 1,227,754.85
Step by Step Solution
- Step 1: Write the proportion equation
1,614,789.68 : 2,228,510.41 = 889,637.24 : x - Step 2: Convert to fraction form
1,614,789.68/2,228,510.41 = 889,637.24/x - Step 3: Cross multiply
1,614,789.68x = 2,228,510.41 × 889,637.24 - Step 4: Simplify right side
1,614,789.68x = 1,982,565,853,810.85 - Step 5: Solve for x
x = 1,982,565,853,810.85/1,614,789.68 - Step 6: Final answer
x = 1,227,754.85
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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.