Finding the Fourth Proportional to 1,214,438.36, 1,676,067.08 and 1,010,128.82
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Solution
The fourth proportional to 1,214,438.36, 1,676,067.08 and 1,010,128.82 is: 1,394,096.00
Step by Step Solution
- Step 1: Write the proportion equation
1,214,438.36 : 1,676,067.08 = 1,010,128.82 : x - Step 2: Convert to fraction form
1,214,438.36/1,676,067.08 = 1,010,128.82/x - Step 3: Cross multiply
1,214,438.36x = 1,676,067.08 × 1,010,128.82 - Step 4: Simplify right side
1,214,438.36x = 1,693,043,648,330.27 - Step 5: Solve for x
x = 1,693,043,648,330.27/1,214,438.36 - Step 6: Final answer
x = 1,394,096.00
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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.