Finding the Fourth Proportional to 1,921,422.57, 2,882,282.68 and 642,034.48
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Solution
The fourth proportional to 1,921,422.57, 2,882,282.68 and 642,034.48 is: 963,101.45
Step by Step Solution
- Step 1: Write the proportion equation
1,921,422.57 : 2,882,282.68 = 642,034.48 : x - Step 2: Convert to fraction form
1,921,422.57/2,882,282.68 = 642,034.48/x - Step 3: Cross multiply
1,921,422.57x = 2,882,282.68 × 642,034.48 - Step 4: Simplify right side
1,921,422.57x = 1,850,524,850,755.78 - Step 5: Solve for x
x = 1,850,524,850,755.78/1,921,422.57 - Step 6: Final answer
x = 963,101.45
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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.