Finding the Fourth Proportional to 1,627,815.41, 2,246,275.36 and 939,516.29
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Solution
The fourth proportional to 1,627,815.41, 2,246,275.36 and 939,516.29 is: 1,296,469.05
Step by Step Solution
- Step 1: Write the proportion equation
1,627,815.41 : 2,246,275.36 = 939,516.29 : x - Step 2: Convert to fraction form
1,627,815.41/2,246,275.36 = 939,516.29/x - Step 3: Cross multiply
1,627,815.41x = 2,246,275.36 × 939,516.29 - Step 4: Simplify right side
1,627,815.41x = 2,110,412,292,545.61 - Step 5: Solve for x
x = 2,110,412,292,545.61/1,627,815.41 - Step 6: Final answer
x = 1,296,469.05
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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.