Finding the Fourth Proportional to 3,910,161.51, 5,394,483.42 and 2,439,214.08
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Solution
The fourth proportional to 3,910,161.51, 5,394,483.42 and 2,439,214.08 is: 3,365,155.09
Step by Step Solution
- Step 1: Write the proportion equation
3,910,161.51 : 5,394,483.42 = 2,439,214.08 : x - Step 2: Convert to fraction form
3,910,161.51/5,394,483.42 = 2,439,214.08/x - Step 3: Cross multiply
3,910,161.51x = 5,394,483.42 × 2,439,214.08 - Step 4: Simplify right side
3,910,161.51x = 13,158,299,912,390.55 - Step 5: Solve for x
x = 13,158,299,912,390.55/3,910,161.51 - Step 6: Final answer
x = 3,365,155.09
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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.