Finding the Fourth Proportional to 7,971,540.66, 11,959,209.63 and 2,580,192
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Solution
The fourth proportional to 7,971,540.66, 11,959,209.63 and 2,580,192 is: 3,870,902.54
Step by Step Solution
- Step 1: Write the proportion equation
7,971,540.66 : 11,959,209.63 = 2,580,192 : x - Step 2: Convert to fraction form
7,971,540.66/11,959,209.63 = 2,580,192/x - Step 3: Cross multiply
7,971,540.66x = 11,959,209.63 × 2,580,192 - Step 4: Simplify right side
7,971,540.66x = 30,857,057,013,648.96 - Step 5: Solve for x
x = 30,857,057,013,648.96/7,971,540.66 - Step 6: Final answer
x = 3,870,902.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.