Finding the Fourth Proportional to 3,648,759.06, 5,034,452.14 and 2,178,381.44
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Solution
The fourth proportional to 3,648,759.06, 5,034,452.14 and 2,178,381.44 is: 3,005,667.66
Step by Step Solution
- Step 1: Write the proportion equation
3,648,759.06 : 5,034,452.14 = 2,178,381.44 : x - Step 2: Convert to fraction form
3,648,759.06/5,034,452.14 = 2,178,381.44/x - Step 3: Cross multiply
3,648,759.06x = 5,034,452.14 × 2,178,381.44 - Step 4: Simplify right side
3,648,759.06x = 10,966,957,102,344.28 - Step 5: Solve for x
x = 10,966,957,102,344.28/3,648,759.06 - Step 6: Final answer
x = 3,005,667.66
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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.