Finding the Fourth Proportional to 1,912,647.77, 2,867,640.00 and 847,112.21
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Solution
The fourth proportional to 1,912,647.77, 2,867,640.00 and 847,112.21 is: 1,270,078.52
Step by Step Solution
- Step 1: Write the proportion equation
1,912,647.77 : 2,867,640.00 = 847,112.21 : x - Step 2: Convert to fraction form
1,912,647.77/2,867,640.00 = 847,112.21/x - Step 3: Cross multiply
1,912,647.77x = 2,867,640.00 × 847,112.21 - Step 4: Simplify right side
1,912,647.77x = 2,429,212,851,123.18 - Step 5: Solve for x
x = 2,429,212,851,123.18/1,912,647.77 - Step 6: Final answer
x = 1,270,078.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.