Finding the Fourth Proportional to 3,580,261.97, 4,940,782.07 and 1,948,665.44
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Solution
The fourth proportional to 3,580,261.97, 4,940,782.07 and 1,948,665.44 is: 2,689,169.49
Step by Step Solution
- Step 1: Write the proportion equation
3,580,261.97 : 4,940,782.07 = 1,948,665.44 : x - Step 2: Convert to fraction form
3,580,261.97/4,940,782.07 = 1,948,665.44/x - Step 3: Cross multiply
3,580,261.97x = 4,940,782.07 × 1,948,665.44 - Step 4: Simplify right side
3,580,261.97x = 9,627,931,251,252.51 - Step 5: Solve for x
x = 9,627,931,251,252.51/3,580,261.97 - Step 6: Final answer
x = 2,689,169.49
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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.