Finding the Fourth Proportional to 6,397,824.12, 9,596,736.18 and 2,137,992.35
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Solution
The fourth proportional to 6,397,824.12, 9,596,736.18 and 2,137,992.35 is: 3,206,988.53
Step by Step Solution
- Step 1: Write the proportion equation
6,397,824.12 : 9,596,736.18 = 2,137,992.35 : x - Step 2: Convert to fraction form
6,397,824.12/9,596,736.18 = 2,137,992.35/x - Step 3: Cross multiply
6,397,824.12x = 9,596,736.18 × 2,137,992.35 - Step 4: Simplify right side
6,397,824.12x = 20,517,748,544,785.65 - Step 5: Solve for x
x = 20,517,748,544,785.65/6,397,824.12 - Step 6: Final answer
x = 3,206,988.53
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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.