Finding the Fourth Proportional to 2,338,889.94, 3,227,721.08 and 1,372,717.08
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Solution
The fourth proportional to 2,338,889.94, 3,227,721.08 and 1,372,717.08 is: 1,894,380.65
Step by Step Solution
- Step 1: Write the proportion equation
2,338,889.94 : 3,227,721.08 = 1,372,717.08 : x - Step 2: Convert to fraction form
2,338,889.94/3,227,721.08 = 1,372,717.08/x - Step 3: Cross multiply
2,338,889.94x = 3,227,721.08 × 1,372,717.08 - Step 4: Simplify right side
2,338,889.94x = 4,430,747,849,128.46 - Step 5: Solve for x
x = 4,430,747,849,128.46/2,338,889.94 - Step 6: Final answer
x = 1,894,380.65
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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.