Finding the Fourth Proportional to 2,124,930.21, 3,185,658.47 and 988,400.98
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Solution
The fourth proportional to 2,124,930.21, 3,185,658.47 and 988,400.98 is: 1,481,793.59
Step by Step Solution
- Step 1: Write the proportion equation
2,124,930.21 : 3,185,658.47 = 988,400.98 : x - Step 2: Convert to fraction form
2,124,930.21/3,185,658.47 = 988,400.98/x - Step 3: Cross multiply
2,124,930.21x = 3,185,658.47 × 988,400.98 - Step 4: Simplify right side
2,124,930.21x = 3,148,707,954,586.62 - Step 5: Solve for x
x = 3,148,707,954,586.62/2,124,930.21 - Step 6: Final answer
x = 1,481,793.59
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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.