Finding the Fourth Proportional to 5,197,642.97, 7,797,793.02 and 2,001,911.09
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Solution
The fourth proportional to 5,197,642.97, 7,797,793.02 and 2,001,911.09 is: 3,003,378.34
Step by Step Solution
- Step 1: Write the proportion equation
5,197,642.97 : 7,797,793.02 = 2,001,911.09 : x - Step 2: Convert to fraction form
5,197,642.97/7,797,793.02 = 2,001,911.09/x - Step 3: Cross multiply
5,197,642.97x = 7,797,793.02 × 2,001,911.09 - Step 4: Simplify right side
5,197,642.97x = 15,610,488,277,766.46 - Step 5: Solve for x
x = 15,610,488,277,766.46/5,197,642.97 - Step 6: Final answer
x = 3,003,378.34
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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.