Finding the Fourth Proportional to 1,916,402.84, 2,874,891.37 and 619,121.76
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Solution
The fourth proportional to 1,916,402.84, 2,874,891.37 and 619,121.76 is: 928,775.40
Step by Step Solution
- Step 1: Write the proportion equation
1,916,402.84 : 2,874,891.37 = 619,121.76 : x - Step 2: Convert to fraction form
1,916,402.84/2,874,891.37 = 619,121.76/x - Step 3: Cross multiply
1,916,402.84x = 2,874,891.37 × 619,121.76 - Step 4: Simplify right side
1,916,402.84x = 1,779,907,809,806.68 - Step 5: Solve for x
x = 1,779,907,809,806.68/1,916,402.84 - Step 6: Final answer
x = 928,775.40
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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.