Finding the Fourth Proportional to 3,479,110.95, 4,801,436.09 and 1,930,665.75
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Solution
The fourth proportional to 3,479,110.95, 4,801,436.09 and 1,930,665.75 is: 2,664,464.66
Step by Step Solution
- Step 1: Write the proportion equation
3,479,110.95 : 4,801,436.09 = 1,930,665.75 : x - Step 2: Convert to fraction form
3,479,110.95/4,801,436.09 = 1,930,665.75/x - Step 3: Cross multiply
3,479,110.95x = 4,801,436.09 × 1,930,665.75 - Step 4: Simplify right side
3,479,110.95x = 9,269,968,189,358.20 - Step 5: Solve for x
x = 9,269,968,189,358.20/3,479,110.95 - Step 6: Final answer
x = 2,664,464.66
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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.