Finding the Fourth Proportional to 2,987,838.53, 4,122,282.47 and 1,764,576.99
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Solution
The fourth proportional to 2,987,838.53, 4,122,282.47 and 1,764,576.99 is: 2,434,564.23
Step by Step Solution
- Step 1: Write the proportion equation
2,987,838.53 : 4,122,282.47 = 1,764,576.99 : x - Step 2: Convert to fraction form
2,987,838.53/4,122,282.47 = 1,764,576.99/x - Step 3: Cross multiply
2,987,838.53x = 4,122,282.47 × 1,764,576.99 - Step 4: Simplify right side
2,987,838.53x = 7,274,084,784,019.48 - Step 5: Solve for x
x = 7,274,084,784,019.48/2,987,838.53 - Step 6: Final answer
x = 2,434,564.23
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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.