Finding the Fourth Proportional to 3,147,461.20, 4,722,358.20 and 1,017,614.80
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Solution
The fourth proportional to 3,147,461.20, 4,722,358.20 and 1,017,614.80 is: 1,526,799.31
Step by Step Solution
- Step 1: Write the proportion equation
3,147,461.20 : 4,722,358.20 = 1,017,614.80 : x - Step 2: Convert to fraction form
3,147,461.20/4,722,358.20 = 1,017,614.80/x - Step 3: Cross multiply
3,147,461.20x = 4,722,358.20 × 1,017,614.80 - Step 4: Simplify right side
3,147,461.20x = 4,805,541,595,221.36 - Step 5: Solve for x
x = 4,805,541,595,221.36/3,147,461.20 - Step 6: Final answer
x = 1,526,799.31
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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.