Finding the Fourth Proportional to 3,759,348.79, 5,187,762.34 and 2,040,432.67
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Solution
The fourth proportional to 3,759,348.79, 5,187,762.34 and 2,040,432.67 is: 2,815,721.65
Step by Step Solution
- Step 1: Write the proportion equation
3,759,348.79 : 5,187,762.34 = 2,040,432.67 : x - Step 2: Convert to fraction form
3,759,348.79/5,187,762.34 = 2,040,432.67/x - Step 3: Cross multiply
3,759,348.79x = 5,187,762.34 × 2,040,432.67 - Step 4: Simplify right side
3,759,348.79x = 10,585,279,762,731.65 - Step 5: Solve for x
x = 10,585,279,762,731.65/3,759,348.79 - Step 6: Final answer
x = 2,815,721.65
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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.