Finding the Fourth Proportional to 2,040,045.48, 2,815,174.02 and 1,122,216.45
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Solution
The fourth proportional to 2,040,045.48, 2,815,174.02 and 1,122,216.45 is: 1,548,609.88
Step by Step Solution
- Step 1: Write the proportion equation
2,040,045.48 : 2,815,174.02 = 1,122,216.45 : x - Step 2: Convert to fraction form
2,040,045.48/2,815,174.02 = 1,122,216.45/x - Step 3: Cross multiply
2,040,045.48x = 2,815,174.02 × 1,122,216.45 - Step 4: Simplify right side
2,040,045.48x = 3,159,234,594,856.63 - Step 5: Solve for x
x = 3,159,234,594,856.63/2,040,045.48 - Step 6: Final answer
x = 1,548,609.88
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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.