Finding the Fourth Proportional to 1,479,814.18, 2,220,001.26 and 469,190.68
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Solution
The fourth proportional to 1,479,814.18, 2,220,001.26 and 469,190.68 is: 703,874.79
Step by Step Solution
- Step 1: Write the proportion equation
1,479,814.18 : 2,220,001.26 = 469,190.68 : x - Step 2: Convert to fraction form
1,479,814.18/2,220,001.26 = 469,190.68/x - Step 3: Cross multiply
1,479,814.18x = 2,220,001.26 × 469,190.68 - Step 4: Simplify right side
1,479,814.18x = 1,041,603,900,780.26 - Step 5: Solve for x
x = 1,041,603,900,780.26/1,479,814.18 - Step 6: Final answer
x = 703,874.79
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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.