Finding the Fourth Proportional to 3,805,769.47, 5,246,880.96 and 3,023,431.20
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Solution
The fourth proportional to 3,805,769.47, 5,246,880.96 and 3,023,431.20 is: 4,168,298.62
Step by Step Solution
- Step 1: Write the proportion equation
3,805,769.47 : 5,246,880.96 = 3,023,431.20 : x - Step 2: Convert to fraction form
3,805,769.47/5,246,880.96 = 3,023,431.20/x - Step 3: Cross multiply
3,805,769.47x = 5,246,880.96 × 3,023,431.20 - Step 4: Simplify right side
3,805,769.47x = 15,863,583,608,487.82 - Step 5: Solve for x
x = 15,863,583,608,487.82/3,805,769.47 - Step 6: Final answer
x = 4,168,298.62
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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.