Finding the Fourth Proportional to 7,258,717.80, 10,017,984.42 and 4,162,452.84
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Solution
The fourth proportional to 7,258,717.80, 10,017,984.42 and 4,162,452.84 is: 5,744,731.90
Step by Step Solution
- Step 1: Write the proportion equation
7,258,717.80 : 10,017,984.42 = 4,162,452.84 : x - Step 2: Convert to fraction form
7,258,717.80/10,017,984.42 = 4,162,452.84/x - Step 3: Cross multiply
7,258,717.80x = 10,017,984.42 × 4,162,452.84 - Step 4: Simplify right side
7,258,717.80x = 41,699,387,700,104.75 - Step 5: Solve for x
x = 41,699,387,700,104.75/7,258,717.80 - Step 6: Final answer
x = 5,744,731.90
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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.