Finding the Fourth Proportional to 5,050,449.63, 7,575,674.54 and 1,212,272.05
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Solution
The fourth proportional to 5,050,449.63, 7,575,674.54 and 1,212,272.05 is: 1,818,408.10
Step by Step Solution
- Step 1: Write the proportion equation
5,050,449.63 : 7,575,674.54 = 1,212,272.05 : x - Step 2: Convert to fraction form
5,050,449.63/7,575,674.54 = 1,212,272.05/x - Step 3: Cross multiply
5,050,449.63x = 7,575,674.54 × 1,212,272.05 - Step 4: Simplify right side
5,050,449.63x = 9,183,778,504,738.61 - Step 5: Solve for x
x = 9,183,778,504,738.61/5,050,449.63 - Step 6: Final answer
x = 1,818,408.10
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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.