Finding the Fourth Proportional to 3,430,911.64, 4,734,694.14 and 1,882,176.46
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Solution
The fourth proportional to 3,430,911.64, 4,734,694.14 and 1,882,176.46 is: 2,597,423.31
Step by Step Solution
- Step 1: Write the proportion equation
3,430,911.64 : 4,734,694.14 = 1,882,176.46 : x - Step 2: Convert to fraction form
3,430,911.64/4,734,694.14 = 1,882,176.46/x - Step 3: Cross multiply
3,430,911.64x = 4,734,694.14 × 1,882,176.46 - Step 4: Simplify right side
3,430,911.64x = 8,911,529,855,607.94 - Step 5: Solve for x
x = 8,911,529,855,607.94/3,430,911.64 - Step 6: Final answer
x = 2,597,423.31
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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.