Finding the Fourth Proportional to 2,036,743.36, 2,810,794.80 and 1,131,325.36
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Solution
The fourth proportional to 2,036,743.36, 2,810,794.80 and 1,131,325.36 is: 1,561,278.41
Step by Step Solution
- Step 1: Write the proportion equation
2,036,743.36 : 2,810,794.80 = 1,131,325.36 : x - Step 2: Convert to fraction form
2,036,743.36/2,810,794.80 = 1,131,325.36/x - Step 3: Cross multiply
2,036,743.36x = 2,810,794.80 × 1,131,325.36 - Step 4: Simplify right side
2,036,743.36x = 3,179,923,438,996.13 - Step 5: Solve for x
x = 3,179,923,438,996.13/2,036,743.36 - Step 6: Final answer
x = 1,561,278.41
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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.