Finding the Fourth Proportional to 3,870,013.23, 5,340,483.74 and 2,493,414.97
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Solution
The fourth proportional to 3,870,013.23, 5,340,483.74 and 2,493,414.97 is: 3,440,825.99
Step by Step Solution
- Step 1: Write the proportion equation
3,870,013.23 : 5,340,483.74 = 2,493,414.97 : x - Step 2: Convert to fraction form
3,870,013.23/5,340,483.74 = 2,493,414.97/x - Step 3: Cross multiply
3,870,013.23x = 5,340,483.74 × 2,493,414.97 - Step 4: Simplify right side
3,870,013.23x = 13,316,042,097,239.91 - Step 5: Solve for x
x = 13,316,042,097,239.91/3,870,013.23 - Step 6: Final answer
x = 3,440,825.99
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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.