Finding the Fourth Proportional to 2,576,122.70, 3,882,700.84 and 2,220,584.81
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Solution
The fourth proportional to 2,576,122.70, 3,882,700.84 and 2,220,584.81 is: 3,346,838.45
Step by Step Solution
- Step 1: Write the proportion equation
2,576,122.70 : 3,882,700.84 = 2,220,584.81 : x - Step 2: Convert to fraction form
2,576,122.70/3,882,700.84 = 2,220,584.81/x - Step 3: Cross multiply
2,576,122.70x = 3,882,700.84 × 2,220,584.81 - Step 4: Simplify right side
2,576,122.70x = 8,621,866,495,975.32 - Step 5: Solve for x
x = 8,621,866,495,975.32/2,576,122.70 - Step 6: Final answer
x = 3,346,838.45
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.