Finding the Fourth Proportional to 1,905,841.20, 2,858,154.84 and 626,151.60
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Solution
The fourth proportional to 1,905,841.20, 2,858,154.84 and 626,151.60 is: 939,027.99
Step by Step Solution
- Step 1: Write the proportion equation
1,905,841.20 : 2,858,154.84 = 626,151.60 : x - Step 2: Convert to fraction form
1,905,841.20/2,858,154.84 = 626,151.60/x - Step 3: Cross multiply
1,905,841.20x = 2,858,154.84 × 626,151.60 - Step 4: Simplify right side
1,905,841.20x = 1,789,638,226,113.74 - Step 5: Solve for x
x = 1,789,638,226,113.74/1,905,841.20 - Step 6: Final answer
x = 939,027.99
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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.