Finding the Fourth Proportional to 1,346,163.30, 1,857,368.97 and 822,740.13
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Solution
The fourth proportional to 1,346,163.30, 1,857,368.97 and 822,740.13 is: 1,135,175.79
Step by Step Solution
- Step 1: Write the proportion equation
1,346,163.30 : 1,857,368.97 = 822,740.13 : x - Step 2: Convert to fraction form
1,346,163.30/1,857,368.97 = 822,740.13/x - Step 3: Cross multiply
1,346,163.30x = 1,857,368.97 × 822,740.13 - Step 4: Simplify right side
1,346,163.30x = 1,528,131,987,835.77 - Step 5: Solve for x
x = 1,528,131,987,835.77/1,346,163.30 - Step 6: Final answer
x = 1,135,175.79
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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.