Finding the Fourth Proportional to 4,174,890.91, 5,761,371.59 and 2,339,353.15
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Solution
The fourth proportional to 4,174,890.91, 5,761,371.59 and 2,339,353.15 is: 3,228,319.75
Step by Step Solution
- Step 1: Write the proportion equation
4,174,890.91 : 5,761,371.59 = 2,339,353.15 : x - Step 2: Convert to fraction form
4,174,890.91/5,761,371.59 = 2,339,353.15/x - Step 3: Cross multiply
4,174,890.91x = 5,761,371.59 × 2,339,353.15 - Step 4: Simplify right side
4,174,890.91x = 13,477,882,777,387.01 - Step 5: Solve for x
x = 13,477,882,777,387.01/4,174,890.91 - Step 6: Final answer
x = 3,228,319.75
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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.