Finding the Fourth Proportional to 2,140,850.84, 2,954,414.66 and 1,173,923.46
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Solution
The fourth proportional to 2,140,850.84, 2,954,414.66 and 1,173,923.46 is: 1,620,036.58
Step by Step Solution
- Step 1: Write the proportion equation
2,140,850.84 : 2,954,414.66 = 1,173,923.46 : x - Step 2: Convert to fraction form
2,140,850.84/2,954,414.66 = 1,173,923.46/x - Step 3: Cross multiply
2,140,850.84x = 2,954,414.66 × 1,173,923.46 - Step 4: Simplify right side
2,140,850.84x = 3,468,256,674,072.31 - Step 5: Solve for x
x = 3,468,256,674,072.31/2,140,850.84 - Step 6: Final answer
x = 1,620,036.58
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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.