Finding the Fourth Proportional to 4,678,491.36, 7,012,082.16 and 2,278,740
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Solution
The fourth proportional to 4,678,491.36, 7,012,082.16 and 2,278,740 is: 3,415,355.69
Step by Step Solution
- Step 1: Write the proportion equation
4,678,491.36 : 7,012,082.16 = 2,278,740 : x - Step 2: Convert to fraction form
4,678,491.36/7,012,082.16 = 2,278,740/x - Step 3: Cross multiply
4,678,491.36x = 7,012,082.16 × 2,278,740 - Step 4: Simplify right side
4,678,491.36x = 15,978,712,101,278.40 - Step 5: Solve for x
x = 15,978,712,101,278.40/4,678,491.36 - Step 6: Final answer
x = 3,415,355.69
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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.