Finding the Fourth Proportional to 6,480,286.99, 8,942,622.77 and 3,579,615.43
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Solution
The fourth proportional to 6,480,286.99, 8,942,622.77 and 3,579,615.43 is: 4,939,773.58
Step by Step Solution
- Step 1: Write the proportion equation
6,480,286.99 : 8,942,622.77 = 3,579,615.43 : x - Step 2: Convert to fraction form
6,480,286.99/8,942,622.77 = 3,579,615.43/x - Step 3: Cross multiply
6,480,286.99x = 8,942,622.77 × 3,579,615.43 - Step 4: Simplify right side
6,480,286.99x = 32,011,150,438,753.83 - Step 5: Solve for x
x = 32,011,150,438,753.83/6,480,286.99 - Step 6: Final answer
x = 4,939,773.58
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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.