Finding the Fourth Proportional to 3,943,137.11, 5,441,694.62 and 2,224,257.17
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Solution
The fourth proportional to 3,943,137.11, 5,441,694.62 and 2,224,257.17 is: 3,069,568.19
Step by Step Solution
- Step 1: Write the proportion equation
3,943,137.11 : 5,441,694.62 = 2,224,257.17 : x - Step 2: Convert to fraction form
3,943,137.11/5,441,694.62 = 2,224,257.17/x - Step 3: Cross multiply
3,943,137.11x = 5,441,694.62 × 2,224,257.17 - Step 4: Simplify right side
3,943,137.11x = 12,103,728,237,155.67 - Step 5: Solve for x
x = 12,103,728,237,155.67/3,943,137.11 - Step 6: Final answer
x = 3,069,568.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.