Finding the Fourth Proportional to 3,782,390.68, 5,219,517.18 and 2,063,408.68
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Solution
The fourth proportional to 3,782,390.68, 5,219,517.18 and 2,063,408.68 is: 2,847,404.71
Step by Step Solution
- Step 1: Write the proportion equation
3,782,390.68 : 5,219,517.18 = 2,063,408.68 : x - Step 2: Convert to fraction form
3,782,390.68/5,219,517.18 = 2,063,408.68/x - Step 3: Cross multiply
3,782,390.68x = 5,219,517.18 × 2,063,408.68 - Step 4: Simplify right side
3,782,390.68x = 10,769,997,054,621.12 - Step 5: Solve for x
x = 10,769,997,054,621.12/3,782,390.68 - Step 6: Final answer
x = 2,847,404.71
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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.