Finding the Fourth Proportional to 2,848,143.36, 3,930,442.61 and 1,541,396.57
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Solution
The fourth proportional to 2,848,143.36, 3,930,442.61 and 1,541,396.57 is: 2,127,129.84
Step by Step Solution
- Step 1: Write the proportion equation
2,848,143.36 : 3,930,442.61 = 1,541,396.57 : x - Step 2: Convert to fraction form
2,848,143.36/3,930,442.61 = 1,541,396.57/x - Step 3: Cross multiply
2,848,143.36x = 3,930,442.61 × 1,541,396.57 - Step 4: Simplify right side
2,848,143.36x = 6,058,370,730,276.65 - Step 5: Solve for x
x = 6,058,370,730,276.65/2,848,143.36 - Step 6: Final answer
x = 2,127,129.84
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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.