Finding the Fourth Proportional to 5,447,879, 7,518,414.29 and 3,000,489.49
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Solution
The fourth proportional to 5,447,879, 7,518,414.29 and 3,000,489.49 is: 4,140,863.45
Step by Step Solution
- Step 1: Write the proportion equation
5,447,879 : 7,518,414.29 = 3,000,489.49 : x - Step 2: Convert to fraction form
5,447,879/7,518,414.29 = 3,000,489.49/x - Step 3: Cross multiply
5,447,879x = 7,518,414.29 × 3,000,489.49 - Step 4: Simplify right side
5,447,879x = 22,558,923,028,519.96 - Step 5: Solve for x
x = 22,558,923,028,519.96/5,447,879 - Step 6: Final answer
x = 4,140,863.45
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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.