Finding the Fourth Proportional to 6,236,785.12, 8,606,763.36 and 3,375,217.12
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Solution
The fourth proportional to 6,236,785.12, 8,606,763.36 and 3,375,217.12 is: 4,657,799.57
Step by Step Solution
- Step 1: Write the proportion equation
6,236,785.12 : 8,606,763.36 = 3,375,217.12 : x - Step 2: Convert to fraction form
6,236,785.12/8,606,763.36 = 3,375,217.12/x - Step 3: Cross multiply
6,236,785.12x = 8,606,763.36 × 3,375,217.12 - Step 4: Simplify right side
6,236,785.12x = 29,049,695,040,460.72 - Step 5: Solve for x
x = 29,049,695,040,460.72/6,236,785.12 - Step 6: Final answer
x = 4,657,799.57
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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.