Finding the Fourth Proportional to 5,228,964.06, 7,216,145.62 and 2,905,954.47
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Solution
The fourth proportional to 5,228,964.06, 7,216,145.62 and 2,905,954.47 is: 4,010,314.54
Step by Step Solution
- Step 1: Write the proportion equation
5,228,964.06 : 7,216,145.62 = 2,905,954.47 : x - Step 2: Convert to fraction form
5,228,964.06/7,216,145.62 = 2,905,954.47/x - Step 3: Cross multiply
5,228,964.06x = 7,216,145.62 × 2,905,954.47 - Step 4: Simplify right side
5,228,964.06x = 20,969,790,620,609.92 - Step 5: Solve for x
x = 20,969,790,620,609.92/5,228,964.06 - Step 6: Final answer
x = 4,010,314.54
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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.