Finding the Fourth Proportional to 3,998,342.76, 5,987,980.09 and 2,554,484.01
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Solution
The fourth proportional to 3,998,342.76, 5,987,980.09 and 2,554,484.01 is: 3,825,634.85
Step by Step Solution
- Step 1: Write the proportion equation
3,998,342.76 : 5,987,980.09 = 2,554,484.01 : x - Step 2: Convert to fraction form
3,998,342.76/5,987,980.09 = 2,554,484.01/x - Step 3: Cross multiply
3,998,342.76x = 5,987,980.09 × 2,554,484.01 - Step 4: Simplify right side
3,998,342.76x = 15,296,199,392,103.36 - Step 5: Solve for x
x = 15,296,199,392,103.36/3,998,342.76 - Step 6: Final answer
x = 3,825,634.85
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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.