Finding the Fourth Proportional to 3,164,343.99, 4,366,692.19 and 1,768,868.49
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Solution
The fourth proportional to 3,164,343.99, 4,366,692.19 and 1,768,868.49 is: 2,440,981.21
Step by Step Solution
- Step 1: Write the proportion equation
3,164,343.99 : 4,366,692.19 = 1,768,868.49 : x - Step 2: Convert to fraction form
3,164,343.99/4,366,692.19 = 1,768,868.49/x - Step 3: Cross multiply
3,164,343.99x = 4,366,692.19 × 1,768,868.49 - Step 4: Simplify right side
3,164,343.99x = 7,724,104,220,420.09 - Step 5: Solve for x
x = 7,724,104,220,420.09/3,164,343.99 - Step 6: Final answer
x = 2,440,981.21
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.