Finding the Fourth Proportional to 3,366,477.92, 4,645,769.24 and 1,916,266.75
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Solution
The fourth proportional to 3,366,477.92, 4,645,769.24 and 1,916,266.75 is: 2,644,465.02
Step by Step Solution
- Step 1: Write the proportion equation
3,366,477.92 : 4,645,769.24 = 1,916,266.75 : x - Step 2: Convert to fraction form
3,366,477.92/4,645,769.24 = 1,916,266.75/x - Step 3: Cross multiply
3,366,477.92x = 4,645,769.24 × 1,916,266.75 - Step 4: Simplify right side
3,366,477.92x = 8,902,533,115,961.01 - Step 5: Solve for x
x = 8,902,533,115,961.01/3,366,477.92 - Step 6: Final answer
x = 2,644,465.02
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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.