Finding the Fourth Proportional to 5,101,708.01, 7,040,357.09 and 2,809,868.70
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Solution
The fourth proportional to 5,101,708.01, 7,040,357.09 and 2,809,868.70 is: 3,877,618.83
Step by Step Solution
- Step 1: Write the proportion equation
5,101,708.01 : 7,040,357.09 = 2,809,868.70 : x - Step 2: Convert to fraction form
5,101,708.01/7,040,357.09 = 2,809,868.70/x - Step 3: Cross multiply
5,101,708.01x = 7,040,357.09 × 2,809,868.70 - Step 4: Simplify right side
5,101,708.01x = 19,782,479,009,964.74 - Step 5: Solve for x
x = 19,782,479,009,964.74/5,101,708.01 - Step 6: Final answer
x = 3,877,618.83
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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.