Finding the Fourth Proportional to 2,308,474.77, 3,187,737.87 and 1,438,793.73
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Solution
The fourth proportional to 2,308,474.77, 3,187,737.87 and 1,438,793.73 is: 1,986,808.48
Step by Step Solution
- Step 1: Write the proportion equation
2,308,474.77 : 3,187,737.87 = 1,438,793.73 : x - Step 2: Convert to fraction form
2,308,474.77/3,187,737.87 = 1,438,793.73/x - Step 3: Cross multiply
2,308,474.77x = 3,187,737.87 × 1,438,793.73 - Step 4: Simplify right side
2,308,474.77x = 4,586,497,260,239.56 - Step 5: Solve for x
x = 4,586,497,260,239.56/2,308,474.77 - Step 6: Final answer
x = 1,986,808.48
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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.