Finding the Fourth Proportional to 3,085,775.87, 4,629,402.81 and 1,287,659.09
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Solution
The fourth proportional to 3,085,775.87, 4,629,402.81 and 1,287,659.09 is: 1,931,797.01
Step by Step Solution
- Step 1: Write the proportion equation
3,085,775.87 : 4,629,402.81 = 1,287,659.09 : x - Step 2: Convert to fraction form
3,085,775.87/4,629,402.81 = 1,287,659.09/x - Step 3: Cross multiply
3,085,775.87x = 4,629,402.81 × 1,287,659.09 - Step 4: Simplify right side
3,085,775.87x = 5,961,092,586,421.03 - Step 5: Solve for x
x = 5,961,092,586,421.03/3,085,775.87 - Step 6: Final answer
x = 1,931,797.01
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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.