Finding the Fourth Proportional to 1,627,814.41, 2,246,273.98 and 939,515.29
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Solution
The fourth proportional to 1,627,814.41, 2,246,273.98 and 939,515.29 is: 1,296,467.67
Step by Step Solution
- Step 1: Write the proportion equation
1,627,814.41 : 2,246,273.98 = 939,515.29 : x - Step 2: Convert to fraction form
1,627,814.41/2,246,273.98 = 939,515.29/x - Step 3: Cross multiply
1,627,814.41x = 2,246,273.98 × 939,515.29 - Step 4: Simplify right side
1,627,814.41x = 2,110,408,749,739.15 - Step 5: Solve for x
x = 2,110,408,749,739.15/1,627,814.41 - Step 6: Final answer
x = 1,296,467.67
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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.