Finding the Fourth Proportional to 3,462,620.20, 5,193,930.30 and 3,412,853.80
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Solution
The fourth proportional to 3,462,620.20, 5,193,930.30 and 3,412,853.80 is: 5,119,280.70
Step by Step Solution
- Step 1: Write the proportion equation
3,462,620.20 : 5,193,930.30 = 3,412,853.80 : x - Step 2: Convert to fraction form
3,462,620.20/5,193,930.30 = 3,412,853.80/x - Step 3: Cross multiply
3,462,620.20x = 5,193,930.30 × 3,412,853.80 - Step 4: Simplify right side
3,462,620.20x = 17,726,124,761,290.14 - Step 5: Solve for x
x = 17,726,124,761,290.14/3,462,620.20 - Step 6: Final answer
x = 5,119,280.70
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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.