Finding the Fourth Proportional to 2,752,172.91, 4,121,974.17 and 1,313,868.06
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Solution
The fourth proportional to 2,752,172.91, 4,121,974.17 and 1,313,868.06 is: 1,967,801.58
Step by Step Solution
- Step 1: Write the proportion equation
2,752,172.91 : 4,121,974.17 = 1,313,868.06 : x - Step 2: Convert to fraction form
2,752,172.91/4,121,974.17 = 1,313,868.06/x - Step 3: Cross multiply
2,752,172.91x = 4,121,974.17 × 1,313,868.06 - Step 4: Simplify right side
2,752,172.91x = 5,415,730,206,108.01 - Step 5: Solve for x
x = 5,415,730,206,108.01/2,752,172.91 - Step 6: Final answer
x = 1,967,801.58
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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.