Finding the Fourth Proportional to 5,414,405.20, 8,118,983.40 and 3,015,703.60
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Solution
The fourth proportional to 5,414,405.20, 8,118,983.40 and 3,015,703.60 is: 4,522,093.67
Step by Step Solution
- Step 1: Write the proportion equation
5,414,405.20 : 8,118,983.40 = 3,015,703.60 : x - Step 2: Convert to fraction form
5,414,405.20/8,118,983.40 = 3,015,703.60/x - Step 3: Cross multiply
5,414,405.20x = 8,118,983.40 × 3,015,703.60 - Step 4: Simplify right side
5,414,405.20x = 24,484,447,467,720.24 - Step 5: Solve for x
x = 24,484,447,467,720.24/5,414,405.20 - Step 6: Final answer
x = 4,522,093.67
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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.