Finding the Fourth Proportional to 3,759,291.68, 5,187,828.42 and 2,040,412.95
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Solution
The fourth proportional to 3,759,291.68, 5,187,828.42 and 2,040,412.95 is: 2,815,773.08
Step by Step Solution
- Step 1: Write the proportion equation
3,759,291.68 : 5,187,828.42 = 2,040,412.95 : x - Step 2: Convert to fraction form
3,759,291.68/5,187,828.42 = 2,040,412.95/x - Step 3: Cross multiply
3,759,291.68x = 5,187,828.42 × 2,040,412.95 - Step 4: Simplify right side
3,759,291.68x = 10,585,312,290,546.04 - Step 5: Solve for x
x = 10,585,312,290,546.04/3,759,291.68 - Step 6: Final answer
x = 2,815,773.08
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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.