Finding the Fourth Proportional to 1,665,162.24, 2,297,715.84 and 939,920.64
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Solution
The fourth proportional to 1,665,162.24, 2,297,715.84 and 939,920.64 is: 1,296,973.05
Step by Step Solution
- Step 1: Write the proportion equation
1,665,162.24 : 2,297,715.84 = 939,920.64 : x - Step 2: Convert to fraction form
1,665,162.24/2,297,715.84 = 939,920.64/x - Step 3: Cross multiply
1,665,162.24x = 2,297,715.84 × 939,920.64 - Step 4: Simplify right side
1,665,162.24x = 2,159,670,542,870.94 - Step 5: Solve for x
x = 2,159,670,542,870.94/1,665,162.24 - Step 6: Final answer
x = 1,296,973.05
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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.