Finding the Fourth Proportional to 4,315,231.44, 6,472,963.80 and 1,120,286.88
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Solution
The fourth proportional to 4,315,231.44, 6,472,963.80 and 1,120,286.88 is: 1,680,460.60
Step by Step Solution
- Step 1: Write the proportion equation
4,315,231.44 : 6,472,963.80 = 1,120,286.88 : x - Step 2: Convert to fraction form
4,315,231.44/6,472,963.80 = 1,120,286.88/x - Step 3: Cross multiply
4,315,231.44x = 6,472,963.80 × 1,120,286.88 - Step 4: Simplify right side
4,315,231.44x = 7,251,576,419,854.94 - Step 5: Solve for x
x = 7,251,576,419,854.94/4,315,231.44 - Step 6: Final answer
x = 1,680,460.60
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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.