Finding the Fourth Proportional to 4,869,821.99, 6,720,250.30 and 2,664,676.27
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Solution
The fourth proportional to 4,869,821.99, 6,720,250.30 and 2,664,676.27 is: 3,677,196.32
Step by Step Solution
- Step 1: Write the proportion equation
4,869,821.99 : 6,720,250.30 = 2,664,676.27 : x - Step 2: Convert to fraction form
4,869,821.99/6,720,250.30 = 2,664,676.27/x - Step 3: Cross multiply
4,869,821.99x = 6,720,250.30 × 2,664,676.27 - Step 4: Simplify right side
4,869,821.99x = 17,907,291,502,870.38 - Step 5: Solve for x
x = 17,907,291,502,870.38/4,869,821.99 - Step 6: Final answer
x = 3,677,196.32
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1.5x scale
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.