Finding the Fourth Proportional to 3,185,200.99, 4,396,537.89 and 2,167,196.23
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Solution
The fourth proportional to 3,185,200.99, 4,396,537.89 and 2,167,196.23 is: 2,991,384.33
Step by Step Solution
- Step 1: Write the proportion equation
3,185,200.99 : 4,396,537.89 = 2,167,196.23 : x - Step 2: Convert to fraction form
3,185,200.99/4,396,537.89 = 2,167,196.23/x - Step 3: Cross multiply
3,185,200.99x = 4,396,537.89 × 2,167,196.23 - Step 4: Simplify right side
3,185,200.99x = 9,528,160,340,260.15 - Step 5: Solve for x
x = 9,528,160,340,260.15/3,185,200.99 - Step 6: Final answer
x = 2,991,384.33
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1.5x scale
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.