Finding the Fourth Proportional to 1,427,833.88, 2,141,758.21 and 481,212.80
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Solution
The fourth proportional to 1,427,833.88, 2,141,758.21 and 481,212.80 is: 721,821.69
Step by Step Solution
- Step 1: Write the proportion equation
1,427,833.88 : 2,141,758.21 = 481,212.80 : x - Step 2: Convert to fraction form
1,427,833.88/2,141,758.21 = 481,212.80/x - Step 3: Cross multiply
1,427,833.88x = 2,141,758.21 × 481,212.80 - Step 4: Simplify right side
1,427,833.88x = 1,030,641,462,179.13 - Step 5: Solve for x
x = 1,030,641,462,179.13/1,427,833.88 - Step 6: Final answer
x = 721,821.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.