Finding the Fourth Proportional to 3,808,998.18, 5,256,743.94 and 2,090,450.88
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Solution
The fourth proportional to 3,808,998.18, 5,256,743.94 and 2,090,450.88 is: 2,885,001.38
Step by Step Solution
- Step 1: Write the proportion equation
3,808,998.18 : 5,256,743.94 = 2,090,450.88 : x - Step 2: Convert to fraction form
3,808,998.18/5,256,743.94 = 2,090,450.88/x - Step 3: Cross multiply
3,808,998.18x = 5,256,743.94 × 2,090,450.88 - Step 4: Simplify right side
3,808,998.18x = 10,988,964,995,307.67 - Step 5: Solve for x
x = 10,988,964,995,307.67/3,808,998.18 - Step 6: Final answer
x = 2,885,001.38
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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.