Finding the Fourth Proportional to 3,143,108.80, 4,707,664.80 and 2,723,204.80
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Solution
The fourth proportional to 3,143,108.80, 4,707,664.80 and 2,723,204.80 is: 4,078,743.75
Step by Step Solution
- Step 1: Write the proportion equation
3,143,108.80 : 4,707,664.80 = 2,723,204.80 : x - Step 2: Convert to fraction form
3,143,108.80/4,707,664.80 = 2,723,204.80/x - Step 3: Cross multiply
3,143,108.80x = 4,707,664.80 × 2,723,204.80 - Step 4: Simplify right side
3,143,108.80x = 12,819,935,380,151.04 - Step 5: Solve for x
x = 12,819,935,380,151.04/3,143,108.80 - Step 6: Final answer
x = 4,078,743.75
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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.