Finding the Fourth Proportional to 2,821,233.13, 3,894,493.43 and 1,904,703.65
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Solution
The fourth proportional to 2,821,233.13, 3,894,493.43 and 1,904,703.65 is: 2,629,295.60
Step by Step Solution
- Step 1: Write the proportion equation
2,821,233.13 : 3,894,493.43 = 1,904,703.65 : x - Step 2: Convert to fraction form
2,821,233.13/3,894,493.43 = 1,904,703.65/x - Step 3: Cross multiply
2,821,233.13x = 3,894,493.43 × 1,904,703.65 - Step 4: Simplify right side
2,821,233.13x = 7,417,855,851,022.02 - Step 5: Solve for x
x = 7,417,855,851,022.02/2,821,233.13 - Step 6: Final answer
x = 2,629,295.60
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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.