Finding the Fourth Proportional to 8,857,601.70, 13,286,402.55 and 2,126,015.70
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Solution
The fourth proportional to 8,857,601.70, 13,286,402.55 and 2,126,015.70 is: 3,189,023.55
Step by Step Solution
- Step 1: Write the proportion equation
8,857,601.70 : 13,286,402.55 = 2,126,015.70 : x - Step 2: Convert to fraction form
8,857,601.70/13,286,402.55 = 2,126,015.70/x - Step 3: Cross multiply
8,857,601.70x = 13,286,402.55 × 2,126,015.70 - Step 4: Simplify right side
8,857,601.70x = 28,247,100,417,820.04 - Step 5: Solve for x
x = 28,247,100,417,820.04/8,857,601.70 - Step 6: Final answer
x = 3,189,023.55
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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.