Finding the Fourth Proportional to 6,945,512.14, 10,418,661.92 and 2,153,882.62
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Solution
The fourth proportional to 6,945,512.14, 10,418,661.92 and 2,153,882.62 is: 3,230,946.02
Step by Step Solution
- Step 1: Write the proportion equation
6,945,512.14 : 10,418,661.92 = 2,153,882.62 : x - Step 2: Convert to fraction form
6,945,512.14/10,418,661.92 = 2,153,882.62/x - Step 3: Cross multiply
6,945,512.14x = 10,418,661.92 × 2,153,882.62 - Step 4: Simplify right side
6,945,512.14x = 22,440,574,833,143.83 - Step 5: Solve for x
x = 22,440,574,833,143.83/6,945,512.14 - Step 6: Final answer
x = 3,230,946.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.