Finding the Fourth Proportional to 5,359,732.97, 7,396,478.21 and 2,912,344.07
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Solution
The fourth proportional to 5,359,732.97, 7,396,478.21 and 2,912,344.07 is: 4,019,060.20
Step by Step Solution
- Step 1: Write the proportion equation
5,359,732.97 : 7,396,478.21 = 2,912,344.07 : x - Step 2: Convert to fraction form
5,359,732.97/7,396,478.21 = 2,912,344.07/x - Step 3: Cross multiply
5,359,732.97x = 7,396,478.21 × 2,912,344.07 - Step 4: Simplify right side
5,359,732.97x = 21,541,089,439,215.99 - Step 5: Solve for x
x = 21,541,089,439,215.99/5,359,732.97 - Step 6: Final answer
x = 4,019,060.20
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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.