Finding the Fourth Proportional to 2,539,693.84, 3,504,820.26 and 1,393,880.80
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Solution
The fourth proportional to 2,539,693.84, 3,504,820.26 and 1,393,880.80 is: 1,923,578.97
Step by Step Solution
- Step 1: Write the proportion equation
2,539,693.84 : 3,504,820.26 = 1,393,880.80 : x - Step 2: Convert to fraction form
2,539,693.84/3,504,820.26 = 1,393,880.80/x - Step 3: Cross multiply
2,539,693.84x = 3,504,820.26 × 1,393,880.80 - Step 4: Simplify right side
2,539,693.84x = 4,885,301,667,865.01 - Step 5: Solve for x
x = 4,885,301,667,865.01/2,539,693.84 - Step 6: Final answer
x = 1,923,578.97
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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.