Finding the Fourth Proportional to 3,799,834.36, 5,243,669.84 and 2,168,212.08
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Solution
The fourth proportional to 3,799,834.36, 5,243,669.84 and 2,168,212.08 is: 2,992,074.71
Step by Step Solution
- Step 1: Write the proportion equation
3,799,834.36 : 5,243,669.84 = 2,168,212.08 : x - Step 2: Convert to fraction form
3,799,834.36/5,243,669.84 = 2,168,212.08/x - Step 3: Cross multiply
3,799,834.36x = 5,243,669.84 × 2,168,212.08 - Step 4: Simplify right side
3,799,834.36x = 11,369,388,290,619.67 - Step 5: Solve for x
x = 11,369,388,290,619.67/3,799,834.36 - Step 6: Final answer
x = 2,992,074.71
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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.