Finding the Fourth Proportional to 1,627,648.14, 2,246,044.50 and 939,348.75
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Solution
The fourth proportional to 1,627,648.14, 2,246,044.50 and 939,348.75 is: 1,296,237.83
Step by Step Solution
- Step 1: Write the proportion equation
1,627,648.14 : 2,246,044.50 = 939,348.75 : x - Step 2: Convert to fraction form
1,627,648.14/2,246,044.50 = 939,348.75/x - Step 3: Cross multiply
1,627,648.14x = 2,246,044.50 × 939,348.75 - Step 4: Simplify right side
1,627,648.14x = 2,109,819,093,519.38 - Step 5: Solve for x
x = 2,109,819,093,519.38/1,627,648.14 - Step 6: Final answer
x = 1,296,237.83
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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.