Finding the Fourth Proportional to 1,474,559.10, 2,212,371.21 and 515,156.37
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Solution
The fourth proportional to 1,474,559.10, 2,212,371.21 and 515,156.37 is: 772,920.61
Step by Step Solution
- Step 1: Write the proportion equation
1,474,559.10 : 2,212,371.21 = 515,156.37 : x - Step 2: Convert to fraction form
1,474,559.10/2,212,371.21 = 515,156.37/x - Step 3: Cross multiply
1,474,559.10x = 2,212,371.21 × 515,156.37 - Step 4: Simplify right side
1,474,559.10x = 1,139,717,121,636.11 - Step 5: Solve for x
x = 1,139,717,121,636.11/1,474,559.10 - Step 6: Final answer
x = 772,920.61
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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.