Finding the Fourth Proportional to 6,983,464.68, 10,477,755.81 and 2,940,970.14
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Solution
The fourth proportional to 6,983,464.68, 10,477,755.81 and 2,940,970.14 is: 4,412,532.80
Step by Step Solution
- Step 1: Write the proportion equation
6,983,464.68 : 10,477,755.81 = 2,940,970.14 : x - Step 2: Convert to fraction form
6,983,464.68/10,477,755.81 = 2,940,970.14/x - Step 3: Cross multiply
6,983,464.68x = 10,477,755.81 × 2,940,970.14 - Step 4: Simplify right side
6,983,464.68x = 30,814,766,971,421.52 - Step 5: Solve for x
x = 30,814,766,971,421.52/6,983,464.68 - Step 6: Final answer
x = 4,412,532.80
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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.