Finding the Fourth Proportional to 1,989,063.29, 2,982,266.12 and 622,374.19
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Solution
The fourth proportional to 1,989,063.29, 2,982,266.12 and 622,374.19 is: 933,145.50
Step by Step Solution
- Step 1: Write the proportion equation
1,989,063.29 : 2,982,266.12 = 622,374.19 : x - Step 2: Convert to fraction form
1,989,063.29/2,982,266.12 = 622,374.19/x - Step 3: Cross multiply
1,989,063.29x = 2,982,266.12 × 622,374.19 - Step 4: Simplify right side
1,989,063.29x = 1,856,085,454,899.71 - Step 5: Solve for x
x = 1,856,085,454,899.71/1,989,063.29 - Step 6: Final answer
x = 933,145.50
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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.