Finding the Fourth Proportional to 1,614,979.11, 2,228,660.21 and 889,810.01
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Solution
The fourth proportional to 1,614,979.11, 2,228,660.21 and 889,810.01 is: 1,227,931.76
Step by Step Solution
- Step 1: Write the proportion equation
1,614,979.11 : 2,228,660.21 = 889,810.01 : x - Step 2: Convert to fraction form
1,614,979.11/2,228,660.21 = 889,810.01/x - Step 3: Cross multiply
1,614,979.11x = 2,228,660.21 × 889,810.01 - Step 4: Simplify right side
1,614,979.11x = 1,983,084,148,154.35 - Step 5: Solve for x
x = 1,983,084,148,154.35/1,614,979.11 - Step 6: Final answer
x = 1,227,931.76
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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.