Finding the Fourth Proportional to 1,533,270, 2,115,824.58 and 879,757.68
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Solution
The fourth proportional to 1,533,270, 2,115,824.58 and 879,757.68 is: 1,214,015.09
Step by Step Solution
- Step 1: Write the proportion equation
1,533,270 : 2,115,824.58 = 879,757.68 : x - Step 2: Convert to fraction form
1,533,270/2,115,824.58 = 879,757.68/x - Step 3: Cross multiply
1,533,270x = 2,115,824.58 × 879,757.68 - Step 4: Simplify right side
1,533,270x = 1,861,412,923,787.77 - Step 5: Solve for x
x = 1,861,412,923,787.77/1,533,270 - Step 6: Final answer
x = 1,214,015.09
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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.