Finding the Fourth Proportional to 1,647,052.08, 2,272,908.42 and 911,936.10
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Solution
The fourth proportional to 1,647,052.08, 2,272,908.42 and 911,936.10 is: 1,258,458.83
Step by Step Solution
- Step 1: Write the proportion equation
1,647,052.08 : 2,272,908.42 = 911,936.10 : x - Step 2: Convert to fraction form
1,647,052.08/2,272,908.42 = 911,936.10/x - Step 3: Cross multiply
1,647,052.08x = 2,272,908.42 × 911,936.10 - Step 4: Simplify right side
1,647,052.08x = 2,072,747,240,191.96 - Step 5: Solve for x
x = 2,072,747,240,191.96/1,647,052.08 - Step 6: Final answer
x = 1,258,458.83
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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.