Finding the Fourth Proportional to 3,423,028.77, 4,723,779.99 and 1,874,388.08
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Solution
The fourth proportional to 3,423,028.77, 4,723,779.99 and 1,874,388.08 is: 2,586,655.70
Step by Step Solution
- Step 1: Write the proportion equation
3,423,028.77 : 4,723,779.99 = 1,874,388.08 : x - Step 2: Convert to fraction form
3,423,028.77/4,723,779.99 = 1,874,388.08/x - Step 3: Cross multiply
3,423,028.77x = 4,723,779.99 × 1,874,388.08 - Step 4: Simplify right side
3,423,028.77x = 8,854,196,882,179.62 - Step 5: Solve for x
x = 8,854,196,882,179.62/3,423,028.77 - Step 6: Final answer
x = 2,586,655.70
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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.