Finding the Fourth Proportional to 4,421,165.57, 6,631,747.79 and 1,226,291.73
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Solution
The fourth proportional to 4,421,165.57, 6,631,747.79 and 1,226,291.73 is: 1,839,437.44
Step by Step Solution
- Step 1: Write the proportion equation
4,421,165.57 : 6,631,747.79 = 1,226,291.73 : x - Step 2: Convert to fraction form
4,421,165.57/6,631,747.79 = 1,226,291.73/x - Step 3: Cross multiply
4,421,165.57x = 6,631,747.79 × 1,226,291.73 - Step 4: Simplify right side
4,421,165.57x = 8,132,457,470,322.78 - Step 5: Solve for x
x = 8,132,457,470,322.78/4,421,165.57 - Step 6: Final answer
x = 1,839,437.44
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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.