Finding the Fourth Proportional to 2,167,574.19, 3,251,817.51 and 819,706.65
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Solution
The fourth proportional to 2,167,574.19, 3,251,817.51 and 819,706.65 is: 1,229,732.50
Step by Step Solution
- Step 1: Write the proportion equation
2,167,574.19 : 3,251,817.51 = 819,706.65 : x - Step 2: Convert to fraction form
2,167,574.19/3,251,817.51 = 819,706.65/x - Step 3: Cross multiply
2,167,574.19x = 3,251,817.51 × 819,706.65 - Step 4: Simplify right side
2,167,574.19x = 2,665,536,437,533.44 - Step 5: Solve for x
x = 2,665,536,437,533.44/2,167,574.19 - Step 6: Final answer
x = 1,229,732.50
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1.5x scale
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.