Finding the Fourth Proportional to 1,914,698.18, 2,642,249.27 and 1,043,540.75
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Solution
The fourth proportional to 1,914,698.18, 2,642,249.27 and 1,043,540.75 is: 1,440,067.58
Step by Step Solution
- Step 1: Write the proportion equation
1,914,698.18 : 2,642,249.27 = 1,043,540.75 : x - Step 2: Convert to fraction form
1,914,698.18/2,642,249.27 = 1,043,540.75/x - Step 3: Cross multiply
1,914,698.18x = 2,642,249.27 × 1,043,540.75 - Step 4: Simplify right side
1,914,698.18x = 2,757,294,774,300.36 - Step 5: Solve for x
x = 2,757,294,774,300.36/1,914,698.18 - Step 6: Final answer
x = 1,440,067.58
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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.