Finding the Fourth Proportional to 3,160,748.31, 4,739,202.57 and 1,239,357.56
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Solution
The fourth proportional to 3,160,748.31, 4,739,202.57 and 1,239,357.56 is: 1,858,283.52
Step by Step Solution
- Step 1: Write the proportion equation
3,160,748.31 : 4,739,202.57 = 1,239,357.56 : x - Step 2: Convert to fraction form
3,160,748.31/4,739,202.57 = 1,239,357.56/x - Step 3: Cross multiply
3,160,748.31x = 4,739,202.57 × 1,239,357.56 - Step 4: Simplify right side
3,160,748.31x = 5,873,566,503,608.13 - Step 5: Solve for x
x = 5,873,566,503,608.13/3,160,748.31 - Step 6: Final answer
x = 1,858,283.52
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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.