Finding the Fourth Proportional to 4,172,089.73, 6,246,922.23 and 2,647,518.39
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Solution
The fourth proportional to 4,172,089.73, 6,246,922.23 and 2,647,518.39 is: 3,964,162.46
Step by Step Solution
- Step 1: Write the proportion equation
4,172,089.73 : 6,246,922.23 = 2,647,518.39 : x - Step 2: Convert to fraction form
4,172,089.73/6,246,922.23 = 2,647,518.39/x - Step 3: Cross multiply
4,172,089.73x = 6,246,922.23 × 2,647,518.39 - Step 4: Simplify right side
4,172,089.73x = 16,538,841,484,824.81 - Step 5: Solve for x
x = 16,538,841,484,824.81/4,172,089.73 - Step 6: Final answer
x = 3,964,162.46
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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.