Finding the Fourth Proportional to 3,815,453.64, 5,717,864.34 and 2,867,719.08
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Solution
The fourth proportional to 3,815,453.64, 5,717,864.34 and 2,867,719.08 is: 4,297,582.99
Step by Step Solution
- Step 1: Write the proportion equation
3,815,453.64 : 5,717,864.34 = 2,867,719.08 : x - Step 2: Convert to fraction form
3,815,453.64/5,717,864.34 = 2,867,719.08/x - Step 3: Cross multiply
3,815,453.64x = 5,717,864.34 × 2,867,719.08 - Step 4: Simplify right side
3,815,453.64x = 16,397,228,664,669.61 - Step 5: Solve for x
x = 16,397,228,664,669.61/3,815,453.64 - Step 6: Final answer
x = 4,297,582.99
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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.