Finding the Fourth Proportional to 5,421,078.66, 7,479,833.58 and 3,244,794.96
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Solution
The fourth proportional to 5,421,078.66, 7,479,833.58 and 3,244,794.96 is: 4,477,065.88
Step by Step Solution
- Step 1: Write the proportion equation
5,421,078.66 : 7,479,833.58 = 3,244,794.96 : x - Step 2: Convert to fraction form
5,421,078.66/7,479,833.58 = 3,244,794.96/x - Step 3: Cross multiply
5,421,078.66x = 7,479,833.58 × 3,244,794.96 - Step 4: Simplify right side
5,421,078.66x = 24,270,526,302,022.76 - Step 5: Solve for x
x = 24,270,526,302,022.76/5,421,078.66 - Step 6: Final answer
x = 4,477,065.88
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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.