Finding the Fourth Proportional to 2,850,954.21, 3,934,414.74 and 1,561,794.25
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Solution
The fourth proportional to 2,850,954.21, 3,934,414.74 and 1,561,794.25 is: 2,155,329.71
Step by Step Solution
- Step 1: Write the proportion equation
2,850,954.21 : 3,934,414.74 = 1,561,794.25 : x - Step 2: Convert to fraction form
2,850,954.21/3,934,414.74 = 1,561,794.25/x - Step 3: Cross multiply
2,850,954.21x = 3,934,414.74 × 1,561,794.25 - Step 4: Simplify right side
2,850,954.21x = 6,144,746,318,047.25 - Step 5: Solve for x
x = 6,144,746,318,047.25/2,850,954.21 - Step 6: Final answer
x = 2,155,329.71
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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.