Finding the Fourth Proportional to 5,743,808.55, 7,926,455.84 and 3,165,489.36
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Solution
The fourth proportional to 5,743,808.55, 7,926,455.84 and 3,165,489.36 is: 4,368,375.34
Step by Step Solution
- Step 1: Write the proportion equation
5,743,808.55 : 7,926,455.84 = 3,165,489.36 : x - Step 2: Convert to fraction form
5,743,808.55/7,926,455.84 = 3,165,489.36/x - Step 3: Cross multiply
5,743,808.55x = 7,926,455.84 × 3,165,489.36 - Step 4: Simplify right side
5,743,808.55x = 25,091,111,608,202.41 - Step 5: Solve for x
x = 25,091,111,608,202.41/5,743,808.55 - Step 6: Final answer
x = 4,368,375.34
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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.