Finding the Fourth Proportional to 4,839,879.12, 7,264,299.60 and 2,445,408.96
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Solution
The fourth proportional to 4,839,879.12, 7,264,299.60 and 2,445,408.96 is: 3,670,377.48
Step by Step Solution
- Step 1: Write the proportion equation
4,839,879.12 : 7,264,299.60 = 2,445,408.96 : x - Step 2: Convert to fraction form
4,839,879.12/7,264,299.60 = 2,445,408.96/x - Step 3: Cross multiply
4,839,879.12x = 7,264,299.60 × 2,445,408.96 - Step 4: Simplify right side
4,839,879.12x = 17,764,183,329,964.41 - Step 5: Solve for x
x = 17,764,183,329,964.41/4,839,879.12 - Step 6: Final answer
x = 3,670,377.48
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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.