Finding the Fourth Proportional to 6,425,245.58, 9,637,901.62 and 2,165,450.72
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Solution
The fourth proportional to 6,425,245.58, 9,637,901.62 and 2,165,450.72 is: 3,248,187.28
Step by Step Solution
- Step 1: Write the proportion equation
6,425,245.58 : 9,637,901.62 = 2,165,450.72 : x - Step 2: Convert to fraction form
6,425,245.58/9,637,901.62 = 2,165,450.72/x - Step 3: Cross multiply
6,425,245.58x = 9,637,901.62 × 2,165,450.72 - Step 4: Simplify right side
6,425,245.58x = 20,870,400,948,715.03 - Step 5: Solve for x
x = 20,870,400,948,715.03/6,425,245.58 - Step 6: Final answer
x = 3,248,187.28
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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.