Finding the Fourth Proportional to 3,136,807.20, 4,694,713.20 and 2,192,023.20
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Solution
The fourth proportional to 3,136,807.20, 4,694,713.20 and 2,192,023.20 is: 3,280,699.00
Step by Step Solution
- Step 1: Write the proportion equation
3,136,807.20 : 4,694,713.20 = 2,192,023.20 : x - Step 2: Convert to fraction form
3,136,807.20/4,694,713.20 = 2,192,023.20/x - Step 3: Cross multiply
3,136,807.20x = 4,694,713.20 × 2,192,023.20 - Step 4: Simplify right side
3,136,807.20x = 10,290,920,251,746.24 - Step 5: Solve for x
x = 10,290,920,251,746.24/3,136,807.20 - Step 6: Final answer
x = 3,280,699.00
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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.