Finding the Fourth Proportional to 4,002,745.48, 5,523,722.85 and 2,167,189.09
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Solution
The fourth proportional to 4,002,745.48, 5,523,722.85 and 2,167,189.09 is: 2,990,685.26
Step by Step Solution
- Step 1: Write the proportion equation
4,002,745.48 : 5,523,722.85 = 2,167,189.09 : x - Step 2: Convert to fraction form
4,002,745.48/5,523,722.85 = 2,167,189.09/x - Step 3: Cross multiply
4,002,745.48x = 5,523,722.85 × 2,167,189.09 - Step 4: Simplify right side
4,002,745.48x = 11,970,951,896,703.71 - Step 5: Solve for x
x = 11,970,951,896,703.71/4,002,745.48 - Step 6: Final answer
x = 2,990,685.26
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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.