Finding the Fourth Proportional to 1,890,929.26, 2,836,418.45 and 628,756.84
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Solution
The fourth proportional to 1,890,929.26, 2,836,418.45 and 628,756.84 is: 943,143.43
Step by Step Solution
- Step 1: Write the proportion equation
1,890,929.26 : 2,836,418.45 = 628,756.84 : x - Step 2: Convert to fraction form
1,890,929.26/2,836,418.45 = 628,756.84/x - Step 3: Cross multiply
1,890,929.26x = 2,836,418.45 × 628,756.84 - Step 4: Simplify right side
1,890,929.26x = 1,783,417,501,539.70 - Step 5: Solve for x
x = 1,783,417,501,539.70/1,890,929.26 - Step 6: Final answer
x = 943,143.43
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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.