Finding the Fourth Proportional to 3,779,814.06, 5,216,013.50 and 2,148,192.99
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Solution
The fourth proportional to 3,779,814.06, 5,216,013.50 and 2,148,192.99 is: 2,964,432.50
Step by Step Solution
- Step 1: Write the proportion equation
3,779,814.06 : 5,216,013.50 = 2,148,192.99 : x - Step 2: Convert to fraction form
3,779,814.06/5,216,013.50 = 2,148,192.99/x - Step 3: Cross multiply
3,779,814.06x = 5,216,013.50 × 2,148,192.99 - Step 4: Simplify right side
3,779,814.06x = 11,205,003,625,704.40 - Step 5: Solve for x
x = 11,205,003,625,704.40/3,779,814.06 - Step 6: Final answer
x = 2,964,432.50
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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.