Finding the Fourth Proportional to 2,129,067.94, 3,193,646.79 and 762,930.70
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Solution
The fourth proportional to 2,129,067.94, 3,193,646.79 and 762,930.70 is: 1,144,412.13
Step by Step Solution
- Step 1: Write the proportion equation
2,129,067.94 : 3,193,646.79 = 762,930.70 : x - Step 2: Convert to fraction form
2,129,067.94/3,193,646.79 = 762,930.70/x - Step 3: Cross multiply
2,129,067.94x = 3,193,646.79 × 762,930.70 - Step 4: Simplify right side
2,129,067.94x = 2,436,531,181,047.45 - Step 5: Solve for x
x = 2,436,531,181,047.45/2,129,067.94 - Step 6: Final answer
x = 1,144,412.13
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.