Finding the Fourth Proportional to 7,268,537.90, 10,902,806.85 and 2,481,632.30
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Solution
The fourth proportional to 7,268,537.90, 10,902,806.85 and 2,481,632.30 is: 3,722,448.45
Step by Step Solution
- Step 1: Write the proportion equation
7,268,537.90 : 10,902,806.85 = 2,481,632.30 : x - Step 2: Convert to fraction form
7,268,537.90/10,902,806.85 = 2,481,632.30/x - Step 3: Cross multiply
7,268,537.90x = 10,902,806.85 × 2,481,632.30 - Step 4: Simplify right side
7,268,537.90x = 27,056,757,639,621.25 - Step 5: Solve for x
x = 27,056,757,639,621.25/7,268,537.90 - Step 6: Final answer
x = 3,722,448.45
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1.5x scale
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.