Finding the Fourth Proportional to 2,821,711.14, 3,893,989.95 and 1,532,576.70
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Solution
The fourth proportional to 2,821,711.14, 3,893,989.95 and 1,532,576.70 is: 2,114,971.37
Step by Step Solution
- Step 1: Write the proportion equation
2,821,711.14 : 3,893,989.95 = 1,532,576.70 : x - Step 2: Convert to fraction form
2,821,711.14/3,893,989.95 = 1,532,576.70/x - Step 3: Cross multiply
2,821,711.14x = 3,893,989.95 × 1,532,576.70 - Step 4: Simplify right side
2,821,711.14x = 5,967,838,267,404.17 - Step 5: Solve for x
x = 5,967,838,267,404.17/2,821,711.14 - Step 6: Final answer
x = 2,114,971.37
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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.