Finding the Fourth Proportional to 2,271,438.80, 3,134,578.92 and 1,304,631.44
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Solution
The fourth proportional to 2,271,438.80, 3,134,578.92 and 1,304,631.44 is: 1,800,387.58
Step by Step Solution
- Step 1: Write the proportion equation
2,271,438.80 : 3,134,578.92 = 1,304,631.44 : x - Step 2: Convert to fraction form
2,271,438.80/3,134,578.92 = 1,304,631.44/x - Step 3: Cross multiply
2,271,438.80x = 3,134,578.92 × 1,304,631.44 - Step 4: Simplify right side
2,271,438.80x = 4,089,470,210,193.24 - Step 5: Solve for x
x = 4,089,470,210,193.24/2,271,438.80 - Step 6: Final answer
x = 1,800,387.58
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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.