Finding the Fourth Proportional to 4,919,589.36, 6,789,042 and 2,714,401.62
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Solution
The fourth proportional to 4,919,589.36, 6,789,042 and 2,714,401.62 is: 3,745,879.03
Step by Step Solution
- Step 1: Write the proportion equation
4,919,589.36 : 6,789,042 = 2,714,401.62 : x - Step 2: Convert to fraction form
4,919,589.36/6,789,042 = 2,714,401.62/x - Step 3: Cross multiply
4,919,589.36x = 6,789,042 × 2,714,401.62 - Step 4: Simplify right side
4,919,589.36x = 18,428,186,603,048.04 - Step 5: Solve for x
x = 18,428,186,603,048.04/4,919,589.36 - Step 6: Final answer
x = 3,745,879.03
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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.