Finding the Fourth Proportional to 3,788,532.24, 5,228,251.56 and 2,069,764.08
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Solution
The fourth proportional to 3,788,532.24, 5,228,251.56 and 2,069,764.08 is: 2,856,316.53
Step by Step Solution
- Step 1: Write the proportion equation
3,788,532.24 : 5,228,251.56 = 2,069,764.08 : x - Step 2: Convert to fraction form
3,788,532.24/5,228,251.56 = 2,069,764.08/x - Step 3: Cross multiply
3,788,532.24x = 5,228,251.56 × 2,069,764.08 - Step 4: Simplify right side
3,788,532.24x = 10,821,247,280,091.96 - Step 5: Solve for x
x = 10,821,247,280,091.96/3,788,532.24 - Step 6: Final answer
x = 2,856,316.53
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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.