Finding the Fourth Proportional to 4,454,436.78, 6,147,138.87 and 2,417,245.74
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Solution
The fourth proportional to 4,454,436.78, 6,147,138.87 and 2,417,245.74 is: 3,335,807.87
Step by Step Solution
- Step 1: Write the proportion equation
4,454,436.78 : 6,147,138.87 = 2,417,245.74 : x - Step 2: Convert to fraction form
4,454,436.78/6,147,138.87 = 2,417,245.74/x - Step 3: Cross multiply
4,454,436.78x = 6,147,138.87 × 2,417,245.74 - Step 4: Simplify right side
4,454,436.78x = 14,859,145,246,695.92 - Step 5: Solve for x
x = 14,859,145,246,695.92/4,454,436.78 - Step 6: Final answer
x = 3,335,807.87
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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.