Finding the Fourth Proportional to 3,106,911.28, 4,660,532.99 and 977,161.47
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Solution
The fourth proportional to 3,106,911.28, 4,660,532.99 and 977,161.47 is: 1,465,794.44
Step by Step Solution
- Step 1: Write the proportion equation
3,106,911.28 : 4,660,532.99 = 977,161.47 : x - Step 2: Convert to fraction form
3,106,911.28/4,660,532.99 = 977,161.47/x - Step 3: Cross multiply
3,106,911.28x = 4,660,532.99 × 977,161.47 - Step 4: Simplify right side
3,106,911.28x = 4,554,093,267,491.90 - Step 5: Solve for x
x = 4,554,093,267,491.90/3,106,911.28 - Step 6: Final answer
x = 1,465,794.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.