Finding the Fourth Proportional to 5,358,422.70, 7,394,452.74 and 3,066,534.18
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Solution
The fourth proportional to 5,358,422.70, 7,394,452.74 and 3,066,534.18 is: 4,231,719.54
Step by Step Solution
- Step 1: Write the proportion equation
5,358,422.70 : 7,394,452.74 = 3,066,534.18 : x - Step 2: Convert to fraction form
5,358,422.70/7,394,452.74 = 3,066,534.18/x - Step 3: Cross multiply
5,358,422.70x = 7,394,452.74 × 3,066,534.18 - Step 4: Simplify right side
5,358,422.70x = 22,675,342,069,604.66 - Step 5: Solve for x
x = 22,675,342,069,604.66/5,358,422.70 - Step 6: Final answer
x = 4,231,719.54
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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.