Finding the Fourth Proportional to 1,665,974.04, 2,297,874.99 and 1,021,651.05
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Solution
The fourth proportional to 1,665,974.04, 2,297,874.99 and 1,021,651.05 is: 1,409,161.45
Step by Step Solution
- Step 1: Write the proportion equation
1,665,974.04 : 2,297,874.99 = 1,021,651.05 : x - Step 2: Convert to fraction form
1,665,974.04/2,297,874.99 = 1,021,651.05/x - Step 3: Cross multiply
1,665,974.04x = 2,297,874.99 × 1,021,651.05 - Step 4: Simplify right side
1,665,974.04x = 2,347,626,396,302.24 - Step 5: Solve for x
x = 2,347,626,396,302.24/1,665,974.04 - Step 6: Final answer
x = 1,409,161.45
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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.