Finding the Fourth Proportional to 3,171,870.24, 4,377,186.99 and 1,882,969.08
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Solution
The fourth proportional to 3,171,870.24, 4,377,186.99 and 1,882,969.08 is: 2,598,500.93
Step by Step Solution
- Step 1: Write the proportion equation
3,171,870.24 : 4,377,186.99 = 1,882,969.08 : x - Step 2: Convert to fraction form
3,171,870.24/4,377,186.99 = 1,882,969.08/x - Step 3: Cross multiply
3,171,870.24x = 4,377,186.99 × 1,882,969.08 - Step 4: Simplify right side
3,171,870.24x = 8,242,107,759,548.27 - Step 5: Solve for x
x = 8,242,107,759,548.27/3,171,870.24 - Step 6: Final answer
x = 2,598,500.93
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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.