Finding the Fourth Proportional to 1,821,121.29, 2,731,040.67 and 606,368.03
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Solution
The fourth proportional to 1,821,121.29, 2,731,040.67 and 606,368.03 is: 909,338.53
Step by Step Solution
- Step 1: Write the proportion equation
1,821,121.29 : 2,731,040.67 = 606,368.03 : x - Step 2: Convert to fraction form
1,821,121.29/2,731,040.67 = 606,368.03/x - Step 3: Cross multiply
1,821,121.29x = 2,731,040.67 × 606,368.03 - Step 4: Simplify right side
1,821,121.29x = 1,656,015,750,917.78 - Step 5: Solve for x
x = 1,656,015,750,917.78/1,821,121.29 - Step 6: Final answer
x = 909,338.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.