Finding the Fourth Proportional to 1,413,311.20, 1,949,539.18 and 889,188.52
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Solution
The fourth proportional to 1,413,311.20, 1,949,539.18 and 889,188.52 is: 1,226,557.79
Step by Step Solution
- Step 1: Write the proportion equation
1,413,311.20 : 1,949,539.18 = 889,188.52 : x - Step 2: Convert to fraction form
1,413,311.20/1,949,539.18 = 889,188.52/x - Step 3: Cross multiply
1,413,311.20x = 1,949,539.18 × 889,188.52 - Step 4: Simplify right side
1,413,311.20x = 1,733,507,858,146.21 - Step 5: Solve for x
x = 1,733,507,858,146.21/1,413,311.20 - Step 6: Final answer
x = 1,226,557.79
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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.