Finding the Fourth Proportional to 2,217,415.96, 3,060,034.26 and 1,198,820.44
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Solution
The fourth proportional to 2,217,415.96, 3,060,034.26 and 1,198,820.44 is: 1,654,372.33
Step by Step Solution
- Step 1: Write the proportion equation
2,217,415.96 : 3,060,034.26 = 1,198,820.44 : x - Step 2: Convert to fraction form
2,217,415.96/3,060,034.26 = 1,198,820.44/x - Step 3: Cross multiply
2,217,415.96x = 3,060,034.26 × 1,198,820.44 - Step 4: Simplify right side
2,217,415.96x = 3,668,431,617,988.27 - Step 5: Solve for x
x = 3,668,431,617,988.27/2,217,415.96 - Step 6: Final answer
x = 1,654,372.33
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1.5x scale
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.