Finding the Fourth Proportional to 3,658,231.35, 5,048,290.98 and 2,207,987.91
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Solution
The fourth proportional to 3,658,231.35, 5,048,290.98 and 2,207,987.91 is: 3,046,982.10
Step by Step Solution
- Step 1: Write the proportion equation
3,658,231.35 : 5,048,290.98 = 2,207,987.91 : x - Step 2: Convert to fraction form
3,658,231.35/5,048,290.98 = 2,207,987.91/x - Step 3: Cross multiply
3,658,231.35x = 5,048,290.98 × 2,207,987.91 - Step 4: Simplify right side
3,658,231.35x = 11,146,565,450,002.05 - Step 5: Solve for x
x = 11,146,565,450,002.05/3,658,231.35 - Step 6: Final answer
x = 3,046,982.10
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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.