Finding the Fourth Proportional to 2,811,358.24, 3,879,656.70 and 1,522,194.64
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Solution
The fourth proportional to 2,811,358.24, 3,879,656.70 and 1,522,194.64 is: 2,100,619.04
Step by Step Solution
- Step 1: Write the proportion equation
2,811,358.24 : 3,879,656.70 = 1,522,194.64 : x - Step 2: Convert to fraction form
2,811,358.24/3,879,656.70 = 1,522,194.64/x - Step 3: Cross multiply
2,811,358.24x = 3,879,656.70 × 1,522,194.64 - Step 4: Simplify right side
2,811,358.24x = 5,905,592,633,780.09 - Step 5: Solve for x
x = 5,905,592,633,780.09/2,811,358.24 - Step 6: Final answer
x = 2,100,619.04
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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.