Finding the Fourth Proportional to 1,497,996.98, 2,067,087.30 and 853,378.76
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Solution
The fourth proportional to 1,497,996.98, 2,067,087.30 and 853,378.76 is: 1,177,578.07
Step by Step Solution
- Step 1: Write the proportion equation
1,497,996.98 : 2,067,087.30 = 853,378.76 : x - Step 2: Convert to fraction form
1,497,996.98/2,067,087.30 = 853,378.76/x - Step 3: Cross multiply
1,497,996.98x = 2,067,087.30 × 853,378.76 - Step 4: Simplify right side
1,497,996.98x = 1,764,008,396,885.75 - Step 5: Solve for x
x = 1,764,008,396,885.75/1,497,996.98 - Step 6: Final answer
x = 1,177,578.07
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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.