Finding the Fourth Proportional to 2,390,815.32, 3,299,326.37 and 1,358,324.92
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Solution
The fourth proportional to 2,390,815.32, 3,299,326.37 and 1,358,324.92 is: 1,874,489.09
Step by Step Solution
- Step 1: Write the proportion equation
2,390,815.32 : 3,299,326.37 = 1,358,324.92 : x - Step 2: Convert to fraction form
2,390,815.32/3,299,326.37 = 1,358,324.92/x - Step 3: Cross multiply
2,390,815.32x = 3,299,326.37 × 1,358,324.92 - Step 4: Simplify right side
2,390,815.32x = 4,481,557,227,584.14 - Step 5: Solve for x
x = 4,481,557,227,584.14/2,390,815.32 - Step 6: Final answer
x = 1,874,489.09
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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.