Finding the Fourth Proportional to 4,278,753.04, 6,420,205.50 and 1,882,286.28
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Solution
The fourth proportional to 4,278,753.04, 6,420,205.50 and 1,882,286.28 is: 2,824,342.66
Step by Step Solution
- Step 1: Write the proportion equation
4,278,753.04 : 6,420,205.50 = 1,882,286.28 : x - Step 2: Convert to fraction form
4,278,753.04/6,420,205.50 = 1,882,286.28/x - Step 3: Cross multiply
4,278,753.04x = 6,420,205.50 × 1,882,286.28 - Step 4: Simplify right side
4,278,753.04x = 12,084,664,727,430.54 - Step 5: Solve for x
x = 12,084,664,727,430.54/4,278,753.04 - Step 6: Final answer
x = 2,824,342.66
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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.