Finding the Fourth Proportional to 1,447,239.92, 2,170,964.40 and 382,268.12
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Solution
The fourth proportional to 1,447,239.92, 2,170,964.40 and 382,268.12 is: 573,429.79
Step by Step Solution
- Step 1: Write the proportion equation
1,447,239.92 : 2,170,964.40 = 382,268.12 : x - Step 2: Convert to fraction form
1,447,239.92/2,170,964.40 = 382,268.12/x - Step 3: Cross multiply
1,447,239.92x = 2,170,964.40 × 382,268.12 - Step 4: Simplify right side
1,447,239.92x = 829,890,479,774.93 - Step 5: Solve for x
x = 829,890,479,774.93/1,447,239.92 - Step 6: Final answer
x = 573,429.79
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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.