Finding the Fourth Proportional to 6,206,779.70, 8,565,221.66 and 3,593,393.97
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Solution
The fourth proportional to 6,206,779.70, 8,565,221.66 and 3,593,393.97 is: 4,958,805.92
Step by Step Solution
- Step 1: Write the proportion equation
6,206,779.70 : 8,565,221.66 = 3,593,393.97 : x - Step 2: Convert to fraction form
6,206,779.70/8,565,221.66 = 3,593,393.97/x - Step 3: Cross multiply
6,206,779.70x = 8,565,221.66 × 3,593,393.97 - Step 4: Simplify right side
6,206,779.70x = 30,778,215,864,757.39 - Step 5: Solve for x
x = 30,778,215,864,757.39/6,206,779.70 - Step 6: Final answer
x = 4,958,805.92
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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.