Finding the Fourth Proportional to 4,320,163.80, 6,480,245.70 and 4,110,211.80
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Solution
The fourth proportional to 4,320,163.80, 6,480,245.70 and 4,110,211.80 is: 6,165,317.70
Step by Step Solution
- Step 1: Write the proportion equation
4,320,163.80 : 6,480,245.70 = 4,110,211.80 : x - Step 2: Convert to fraction form
4,320,163.80/6,480,245.70 = 4,110,211.80/x - Step 3: Cross multiply
4,320,163.80x = 6,480,245.70 × 4,110,211.80 - Step 4: Simplify right side
4,320,163.80x = 26,635,182,343,039.26 - Step 5: Solve for x
x = 26,635,182,343,039.26/4,320,163.80 - Step 6: Final answer
x = 6,165,317.70
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1.5x scale
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.