Finding the Fourth Proportional to 1,603,060.18, 2,212,180.20 and 914,719.55
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Solution
The fourth proportional to 1,603,060.18, 2,212,180.20 and 914,719.55 is: 1,262,288.52
Step by Step Solution
- Step 1: Write the proportion equation
1,603,060.18 : 2,212,180.20 = 914,719.55 : x - Step 2: Convert to fraction form
1,603,060.18/2,212,180.20 = 914,719.55/x - Step 3: Cross multiply
1,603,060.18x = 2,212,180.20 × 914,719.55 - Step 4: Simplify right side
1,603,060.18x = 2,023,524,466,002.01 - Step 5: Solve for x
x = 2,023,524,466,002.01/1,603,060.18 - Step 6: Final answer
x = 1,262,288.52
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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.