Finding the Fourth Proportional to 4,822,305.80, 7,234,719.15 and 2,798,604.32
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Solution
The fourth proportional to 4,822,305.80, 7,234,719.15 and 2,798,604.32 is: 4,198,637.97
Step by Step Solution
- Step 1: Write the proportion equation
4,822,305.80 : 7,234,719.15 = 2,798,604.32 : x - Step 2: Convert to fraction form
4,822,305.80/7,234,719.15 = 2,798,604.32/x - Step 3: Cross multiply
4,822,305.80x = 7,234,719.15 × 2,798,604.32 - Step 4: Simplify right side
4,822,305.80x = 20,247,116,231,003.13 - Step 5: Solve for x
x = 20,247,116,231,003.13/4,822,305.80 - Step 6: Final answer
x = 4,198,637.97
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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.