Finding the Fourth Proportional to 6,983,428.68, 10,477,701.81 and 2,940,934.14
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Solution
The fourth proportional to 6,983,428.68, 10,477,701.81 and 2,940,934.14 is: 4,412,478.79
Step by Step Solution
- Step 1: Write the proportion equation
6,983,428.68 : 10,477,701.81 = 2,940,934.14 : x - Step 2: Convert to fraction form
6,983,428.68/10,477,701.81 = 2,940,934.14/x - Step 3: Cross multiply
6,983,428.68x = 10,477,701.81 × 2,940,934.14 - Step 4: Simplify right side
6,983,428.68x = 30,814,230,961,768.80 - Step 5: Solve for x
x = 30,814,230,961,768.80/6,983,428.68 - Step 6: Final answer
x = 4,412,478.79
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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.