Finding the Fourth Proportional to 3,070,812.26, 4,237,697.21 and 1,694,213.99
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Solution
The fourth proportional to 3,070,812.26, 4,237,697.21 and 1,694,213.99 is: 2,338,002.22
Step by Step Solution
- Step 1: Write the proportion equation
3,070,812.26 : 4,237,697.21 = 1,694,213.99 : x - Step 2: Convert to fraction form
3,070,812.26/4,237,697.21 = 1,694,213.99/x - Step 3: Cross multiply
3,070,812.26x = 4,237,697.21 × 1,694,213.99 - Step 4: Simplify right side
3,070,812.26x = 7,179,565,890,094.90 - Step 5: Solve for x
x = 7,179,565,890,094.90/3,070,812.26 - Step 6: Final answer
x = 2,338,002.22
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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.