Finding the Fourth Proportional to 7,139,839.58, 10,711,295.79 and 2,215,774.04
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Solution
The fourth proportional to 7,139,839.58, 10,711,295.79 and 2,215,774.04 is: 3,324,137.86
Step by Step Solution
- Step 1: Write the proportion equation
7,139,839.58 : 10,711,295.79 = 2,215,774.04 : x - Step 2: Convert to fraction form
7,139,839.58/10,711,295.79 = 2,215,774.04/x - Step 3: Cross multiply
7,139,839.58x = 10,711,295.79 × 2,215,774.04 - Step 4: Simplify right side
7,139,839.58x = 23,733,811,088,532.24 - Step 5: Solve for x
x = 23,733,811,088,532.24/7,139,839.58 - Step 6: Final answer
x = 3,324,137.86
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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.