Finding the Fourth Proportional to 6,091,067.81, 9,138,637.65 and 1,992,575.54
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Solution
The fourth proportional to 6,091,067.81, 9,138,637.65 and 1,992,575.54 is: 2,989,529.33
Step by Step Solution
- Step 1: Write the proportion equation
6,091,067.81 : 9,138,637.65 = 1,992,575.54 : x - Step 2: Convert to fraction form
6,091,067.81/9,138,637.65 = 1,992,575.54/x - Step 3: Cross multiply
6,091,067.81x = 9,138,637.65 × 1,992,575.54 - Step 4: Simplify right side
6,091,067.81x = 18,209,425,850,313.08 - Step 5: Solve for x
x = 18,209,425,850,313.08/6,091,067.81 - Step 6: Final answer
x = 2,989,529.33
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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.