Finding the Fourth Proportional to 5,661,694.24, 8,484,143.20 and 4,158,437.92
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Solution
The fourth proportional to 5,661,694.24, 8,484,143.20 and 4,158,437.92 is: 6,231,488.54
Step by Step Solution
- Step 1: Write the proportion equation
5,661,694.24 : 8,484,143.20 = 4,158,437.92 : x - Step 2: Convert to fraction form
5,661,694.24/8,484,143.20 = 4,158,437.92/x - Step 3: Cross multiply
5,661,694.24x = 8,484,143.20 × 4,158,437.92 - Step 4: Simplify right side
5,661,694.24x = 35,280,782,769,983.69 - Step 5: Solve for x
x = 35,280,782,769,983.69/5,661,694.24 - Step 6: Final answer
x = 6,231,488.54
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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.