Finding the Fourth Proportional to 5,855,421.15, 8,080,479.99 and 3,277,101.78
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Solution
The fourth proportional to 5,855,421.15, 8,080,479.99 and 3,277,101.78 is: 4,522,399.79
Step by Step Solution
- Step 1: Write the proportion equation
5,855,421.15 : 8,080,479.99 = 3,277,101.78 : x - Step 2: Convert to fraction form
5,855,421.15/8,080,479.99 = 3,277,101.78/x - Step 3: Cross multiply
5,855,421.15x = 8,080,479.99 × 3,277,101.78 - Step 4: Simplify right side
5,855,421.15x = 26,480,555,358,483.38 - Step 5: Solve for x
x = 26,480,555,358,483.38/5,855,421.15 - Step 6: Final answer
x = 4,522,399.79
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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.