Finding the Fourth Proportional to 2,125,067.14, 2,932,507.11 and 1,158,176.62
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Solution
The fourth proportional to 2,125,067.14, 2,932,507.11 and 1,158,176.62 is: 1,598,237.11
Step by Step Solution
- Step 1: Write the proportion equation
2,125,067.14 : 2,932,507.11 = 1,158,176.62 : x - Step 2: Convert to fraction form
2,125,067.14/2,932,507.11 = 1,158,176.62/x - Step 3: Cross multiply
2,125,067.14x = 2,932,507.11 × 1,158,176.62 - Step 4: Simplify right side
2,125,067.14x = 3,396,361,172,785.77 - Step 5: Solve for x
x = 3,396,361,172,785.77/2,125,067.14 - Step 6: Final answer
x = 1,598,237.11
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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.