Finding the Fourth Proportional to 3,438,708.04, 4,743,440.76 and 2,147,306.68
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Solution
The fourth proportional to 3,438,708.04, 4,743,440.76 and 2,147,306.68 is: 2,962,049.09
Step by Step Solution
- Step 1: Write the proportion equation
3,438,708.04 : 4,743,440.76 = 2,147,306.68 : x - Step 2: Convert to fraction form
3,438,708.04/4,743,440.76 = 2,147,306.68/x - Step 3: Cross multiply
3,438,708.04x = 4,743,440.76 × 2,147,306.68 - Step 4: Simplify right side
3,438,708.04x = 10,185,622,030,132.28 - Step 5: Solve for x
x = 10,185,622,030,132.28/3,438,708.04 - Step 6: Final answer
x = 2,962,049.09
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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.